Growler Meaning: History & Everything You Need to Know

A growler is a refillable container — usually 64 oz — used to transport draft beer directly from a brewery or taproom to your home.

Craft beer culture runs deep in the USA, and the growler sits right at the heart of it. Whether you spotted one at your local brewery or heard the term tossed around, here’s everything you need to know.

What Does Growler Mean and Why Every Beer Lover Should Know It

The growler meaning is simple — it’s a sealed jug that keeps draft beer fresh on the go.

But the word carries more layers than just beer.

• In American craft beer culture, it refers to the refillable jug
• In British slang, “growler” means something entirely different (a type of pie, or an impolite term)
• In military aviation, the EA-18G Growler is a Navy jet
• In 19th-century American slang, it meant a small pail used to carry beer home from the saloon

The beer meaning is by far the most common usage across the USA today.

Most people encounter the term at a craft brewery, where you hand over your jug and walk out with fresh, cold draft beer ready to enjoy at home.

More Posts: LWK Meaning: What It Really Means and How to Use It Correctly

The Fascinating History Behind the Word Growler and Where It Came From

Here’s where it gets interesting.

The term dates back to the 1800s in America.

Working-class families would send children to the local saloon with a small tin pail to pick up beer. The CO₂ escaping from the lid as it slid across the bar made a distinct growling sound — and the name stuck.

This practice even had its own phrase: “rushing the growler” — meaning to fetch beer quickly before it went flat.

By the late 20th century, craft breweries revived the concept. Instead of tin pails, they used glass jugs with screw caps.

Today, the US craft beer industry — worth over $28 billion — has made growlers a staple of the taproom experience.

Different Types of Growlers You’ll Find at Any Craft Brewery Today

Not all growlers are created equal. Here’s a quick breakdown:

By Material:

• Glass — classic, affordable, but fragile
• Stainless steel — durable, insulated, keeps beer cold longer
• Ceramic — stylish, blocks light well, heavier to carry

By Size:

• 32 oz (Howler) — half the size, great for solo drinkers
• 64 oz (Standard Growler) — the most common size across US breweries
• 128 oz (Jug) — less common, used by serious enthusiasts

By Seal Type:

• Screw cap — basic and widely available
• Swing-top (flip cap) — better seal, popular in Germany-inspired breweries
• Pressurized growler — uses CO₂ cartridges to maintain carbonation much longer

If you’re serious about fresh beer at home, a stainless steel pressurized growler is worth every penny.

How a Growler Actually Works and Keeps Your Beer Fresh Longer

The process is straightforward.

A brewery employee attaches a tube directly to the tap and fills your growler from the bottom up — this minimizes foam and reduces oxygen exposure.

Why does oxygen matter?

Oxygen is beer’s worst enemy. Once air gets in, the beer starts going stale fast.

A properly sealed growler keeps beer fresh for:

• Same day — at peak flavor and carbonation
• Up to 3 days — if unopened and refrigerated
• Up to 1 week — with a pressurized growler

Once you crack it open, drink it within 24 hours for the best taste.

Light also degrades beer, which is why dark glass or stainless steel growlers outperform clear glass every time.

Growler Laws, Refill Rules, and What You Need to Know State by State

This is where things get tricky in the USA.

Growler laws vary dramatically by state.

• States like Colorado and California have very relaxed growler laws — breweries can fill any brand’s growler
• States like Alabama and Mississippi have historically had strict restrictions on growler sales
• Some states only allow a brewery to fill its own branded growler
• A few states require specific labeling on every filled growler

Key rules to know before you go:

• Always call ahead — policies change
• Some breweries won’t fill competitor-branded jugs
• Growlers are considered open containers in most states once unsealed
• Flying with a growler? TSA allows sealed growlers in checked bags, not carry-on

Always check your state’s ABC (Alcoholic Beverage Control) laws before buying or refilling.

Best Practices for Cleaning, Storing, and Getting the Most Out of Your Growler

A dirty growler ruins great beer. Full stop.

Cleaning Tips:

• Rinse immediately after emptying — don’t let residue dry inside
• Use hot water and a bottle brush, no soap (soap leaves residue that kills foam)
• For deep cleaning, use brewery-grade sanitizer tablets
• Let it air dry completely upside down before storing

Storage Tips:

• Store empty growlers upside down to prevent musty odors
• Keep away from direct sunlight
• Refrigerate your filled growler immediately after leaving the brewery

When to retire your growler:

• Chips or cracks in glass — replace it immediately
• Persistent odor that won’t rinse out
• Damaged or warped seal on the lid

Treat your growler well and it’ll last for years of great pours.

More Posts: APB Meaning: What It Really Stands For and Why It Matters

FAQ’s

What is the meaning of growler in slang?

In American slang, growler originally referred to a tin pail used to carry beer from a saloon in the 1800s. In modern British slang, it has a completely different and unrelated meaning. In everyday US conversation today, it almost always refers to the refillable beer jug used at craft breweries.

Why is it called a growler?

The name comes from the growling sound the CO₂ gas made as it escaped from the sliding metal lid of old tin beer pails in 19th-century American saloons. The nickname caught on and never left.

How long does beer stay fresh in a growler?

An unopened, refrigerated growler stays fresh for up to 3 days. A pressurized growler can extend that to about a week. Once opened, finish it within 24 hours for best quality.

What size is a standard growler?

The standard US growler size is 64 oz — equivalent to roughly four pints of beer. The smaller 32 oz version is called a howler.

Is buying a growler worth it?

Absolutely — especially if you visit craft breweries regularly. A good stainless steel growler pays for itself quickly, and you get fresher beer than anything bottled or canned at the store.

Conclusion

A growler is more than just a jug — it’s a piece of American beer history still very much alive today. Pick the right one, keep it clean, and drink it fresh. Your next brewery visit just got a whole lot better.