Posse up -When a large number of people group together; get together to do a common thing; especially for retaliation.
Dey shot at my boy last night. We gotta posse up and git dem!
Dey shot at my boy last night. We gotta posse up and git dem!
Posse- group of similar thinking people; from da same hood, school; apartment complex, family or job. Posse up- when uh gang, friends, or groups of people get together to do something as uh whole. For example; fight; especially, when it's in payback for something; Also rob, party, or steal as a group.
by Longfellarette November 27, 2012
by shiesty February 09, 2003
by saussoj December 30, 2018