lick your brownie

when you'd like to make it clear that the person you're chilling with is YOURS! you cuddle up to them, do whatever you have to do to demonstrate this.

renita: ooh honey i see someone checkin out yo man, you better go head an lick your brownie!
shanita: ooh girl, thank you, i know you got my back!

tenisha: damn girl, jayjay was all up on you in da club!
lashondra: i know girl! he was all about lickin his brownie!!
tenisha: he sure was, now everyone knows you his!