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1.
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
 
2.
Having an unusually large or elongated shaped head.
His uncle nicknamed him "bushead".
by AS68 August 29, 2009
 
3.
The way your hair looks after you have fallen asleep on the bus.
I woke up with total bus head this morning
by prainva October 20, 2009
 
4.
Someone with a very large head.
Get out of my face, bus head.
by John September 02, 2004
 
5.
weenie
Barbara Johnson
by Grammy September 13, 2003