4-O

A bottle of malt liquor or beer that contains 40 ounces.

Yo, I got cock-eyed of two and a 1/2 4-O's and wrecked my 87 Dodge.

by Jonny Fromundah December 29, 2002

4-o

A 4-o is another word for a fourty ounce beer. Pronounced four-o or depenting on regional origin fo-o

Let hit the sto and get a 4-o.
I was two 4-o's deep last night man was I on one.

by B-dub (refers to my age) November 16, 2005

4 o' clock

A good song by Rap Monster and V.

"Oh boy, 4 o' clock is a good song!"

by Queen-Of-Despair January 21, 2018

4 O sto

Where you buy your 40 oz of beer

I have to run to the 4 O sto

by tville August 28, 2003

4 point O gasm

A 4 point O gasm is the euphoria you feel when you discover you've just received a 4.0, in a single class or for an entire semester

When I saw this semester's grades for the 1st time, I had a 4 point O gasm, I'm so psyched!!

by RazMutant July 04, 2013