Definitions by Jim Wayne

u.p.i? 

Literally: U packin it?
to ask someone to pack paraphenalia with marijuana

yo you got weed? u.p.i?

Person A: yo u.p.i?
Person B: yo u.p.i
Person A: nah i only got a bowlsworth upi

u.p.i? by Jim Wayne June 11, 2006