Question About Kid Cudi - Mojo So Dope Lyrics

what does he mean when he says, "sign and stunt with a blunt full of B E"

what strain of bud is B E?

heres a link to the song, its right in the 1st verse.

http://www.youtube.com/watch?v=TzU1PjYr0DA

Its P.E. (Pineapple Express)

It's like God's vagina!!

I wanna live in there!