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
Get a 20s mug for your mother-in-law Larisa.
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
Get a 20 mug for your fish Manley.
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
Get the 20s neck gaiter and mug.
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
Get a 20 mug for your boyfriend Manley.