1. The act of having a two girlfriends at the same time without them knowing about eachother
2. When a girl tries to start a relationship with a man she knows is in a committed relationship
2. When a girl tries to start a relationship with a man she knows is in a committed relationship
1.
Bro: Who is jake dating, Tara or Ashley
Bartender: both, he's sidebitching
2.
Donna: why are you chasing jake if he has a girlfriend
Tracey: I don't know, I'm just sidebitching
Bro: Who is jake dating, Tara or Ashley
Bartender: both, he's sidebitching
2.
Donna: why are you chasing jake if he has a girlfriend
Tracey: I don't know, I'm just sidebitching
by Promeo April 30, 2014
like a sidekick to a complete bitch.
by XxLOL_iLY123xX February 01, 2009