Definitions by Sera and Clare, yo!

fillin the bag 

Either means to steal/shoplift or to measure up to expectations.

It is strictly a gangster term.

Sera: dat was a great party, yo!
Craig: Yea boi it fillin the bag!
Sera: Oh my god, did you fill da bag to get dat hoodie?
Craig: Hell nah!

fillin the bag by Sera and Clare, yo! February 16, 2008