1.A friend who oversteps his/her boundries when it comes to matters of money, personal items, or the opposite sex
2.A person who tries to create an imtimate relationship with a group of friends not carring the consequences of his/her actions.
1. John-"Hey how you doing my name John. Whats your?"
Tyrone- (in head) "I know this nigga seen me walk up to her and spit at her first. This nigga perpetrating
2. John-"Wait, you fucked Crystal?"
Tyrone- "Yeah, why?"
John-"I fucked her too. I know she know we homies...unless she want the whole team to hit?"
Tyrone- "We have a perpetrator