The term is used in the North West of England and it refers to £20 worth of Cannabis.
"Oi mate, I'll need a 20s tonight.."
"No worries, I got you."
by rez0h October 02, 2015
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The age where the bouncer stops asking for your fake ID.
Seven-foot-tall gentleman whose name is Tyrone: "Yeah, you can come in."

Me: "Uh, you sure? You don't want to see my license?"

Tyrone: "You're 20, no one gives a shit."
by Twenty Years Old, Still Virgin January 26, 2013
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1) A type of Nike Shoe.
2) Size of rims
1) Dem some fresh 20s.
2) I'm sittin' on 20s, chromed out.
by GX March 20, 2006
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the number before 21 and after 19. generally used when counting.
"i can count to twenty!"
"twenty is my favorite number."
by Room-101 February 07, 2004
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