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2.
to roll a joint, zoot, spliff etc.
i'm gonna park up here so we can bill up; i beg you bill me a spliff.
by blabsta February 04, 2008
 
1.
To roll a joint.
Do you want to bill up inside before we go out to smoke?
by high as a kite April 20, 2004
 
3.
(bill-up) to roll/smoke some kush, also said "ball up" used by smokers threw out T-dot.
"yo hommie I just coped a pack of backwoods and a Q lets bill up!"

"Im so down broski link me when your at my block"
by peshyMcDilla March 10, 2013
 
4.
Billup: meaning to get some marijuana and smoking it
person A: yooo im bored lets billup
Person B; iight..
by rroobbiiee July 03, 2011
 
5.
a complete douche bag
"Bobby was acting like a complete billups last night."
by ChaunceyB July 29, 2006