means "what if" things were different, how would it be if things changed.
Coined by Bay Area rappers like Mistah F.A.B. and E-40
if it was no guns most of yall would be punks
its the truth, think about it playa
"If if was a fifth then we'd all be drunk. If it was no guns most of yall would be punks. If this was a class most of yall would flunk. If if was fifth then we'd all be drunk."-Mistah F.A.B.
"if if was a 5th then i'd be diggin in yo girl instead of lookin at her, if if was a 5th."-E-40
by staystrong keep ya head up December 21, 2006
750 ml, enough to get any man wasted, unlike an eigth/pint which the some of the above people have mistaken to be a fifth, which is about 16 oz which is what youd be seeing people sipping off of. then theres the good old handle which is 1.75 liters
drinking dip spit didnt seem like a bad idea after drinking a fifth of vodka
A one fifth of a gallon bottle of alcohol, or 4/5 of a quart. Previous to the US converting to the metric system, hard liquor was sold in 1/5 gallon bottles. Slightly larger than the current 750ml, but still used to refer to a 750ml of booze
Pick me up a fifth of Jim Beam.
by CK454 December 30, 2009
By definition a fifth of alcohol Is 750mL. A fifth means a fifth of a gallon.
Ludacris - "I drank a fifth of gin", in reality a fifth of alcohol would knock anyone on their butt.
by Jestur March 18, 2006
a measure of alcohol purported by countless high school boys to be an easy night's drinking
High school boy: Man, I got so wasted last night ... I drank over a fifth of Jack!

Realistic guy: Yeah right, you big-mouthed high school fuck. Enough with the big dick stories.
by collegesucks2001 December 9, 2003
A fifth is a US measurement of alcohol equivalent to 25.6 shots; 25.6 ounces; 1.6 pints; 0.8 quarts; 0.75706 liters.
After 26 shots of tequila, Craig had consumed about a fifth of alcohol.
by Hemitheos February 3, 2008
A fifth is a US measurement of alcohol equivalent to 25.6 shots; 25.6 ounces; 1.6 pints; 0.8 quarts; 0.75706 liters.
After 26 shots of tequila, Craig had consumed about a fifth of alcohol. Then he died.
by Take-One June 6, 2017