a person who sleeps or messes with your man, talks shit about u behind yo back 2 they lil friends and the next day smiles up in your face like nothing ever happened.
friend:girl i heard trina was sleepin wit yo boo and talkin shit about u

friend:yeah i heard ima beat dat ass she aint nothin but a trifalin ass bitch
by diamond-princess June 24, 2008
Get the trifalin ass bitch mug.