20

Bag of Weed, costs $20.00 dollars and is enough to make 4 fat joints.

I know this dealer that sells 20's.

by Sara January 26, 2005

20

Location.

Derived from the lingo of CB radio users

Gimme a radio check willya oh and what's yer 20?

by Dirge October 30, 2004

20

Refering to a $20.00 bag of marijuana.
Also known as a "twin"

Let me pick up that 20 fool.

by Chron December 26, 2002

20

the size of the rims on a car

Shit nigga! He got 20s on that motherfucker!

by JDOE October 19, 2002

20

a number, basically. it comes before 21 but after 19.
unless you are still in kindergarden, you should know this.

17...18...19...20...21...

by Lorraine Nivala January 19, 2009

20

the number of balls 10 guys has

lets see.. how many balls are here?
19? HAH!

by pappy July 29, 2004

20

The age at which one finally feels that the drinking age is actually somewhere in sight.

OOOH Yer 18 BIG FUCKING DEAL!! THat's still a LOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOONG way from 21!

by YO Man July 10, 2004