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1.
your girlfriend's purse
Lil Wayne: "I got my gun in my boo purse
And I don’t bust back, because I shoot first"

Drake: "What's a boo purse?"

Lil Wayne: "It's my chicks purse, ya dig?"
by w00tw00t_O.o October 17, 2010
 
2.
a satchel that a gay man wears usually to tote his gun
When i work the corner, I keep my gun in my Boo-Purse.
by bigballsinyourface August 17, 2010