my alltime favorites

Bumped your head -- someone is acting stupid or said somethin really dumb

Dealer: i got ur sack, u got yur money?
idiot: oh shit can you front me?
Dealer: fuck you kid, you bumped your fuckin head!

Gas station -- your bag of weed and/or your stash; to refill your bowl

Guy1: yo homie this bowls been cashed, what you think about takin her to the gas station?

and my favorite

Tasters choice -- a bad taste left in your mouth by any bad drug (usually the last hit of tweak)

*takes a fat shit-rip*
*blows out a cloud of smoke*
AHHHHHH!!!!
*gags or pukes*
TASTERS CHOICE!!!! NASTY!!!!