Top definition
noun: high quality weed
adjective: to describe very good weed
Dealer: Yo mah man, I got that straight bus head for you...
Buyer: Oh, lemme get an O of that my nigga

1 day later

Buyer: Yo dogg, that gank I smoked was straight bus head!
Buyer's Friend
by Hydroponic February 07, 2008
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