Done by women when they do not have an orgasm during sex. Will whine and bitch about everything. This includes but is not limited to, your performing speed, penis size, laziness, your parents, B.O, sensitivity during sex, and sometimes they will compare you to past boyfriends or their friends guys.
Matt: Dude! I heard you got lucky last night man! How was it?
Jason: Aw man it was bad at first we kind of had a stalmack...
Matt: Oh dude, I'm sorry.
Jason: Yeah but it didnt last long, I worked on her all night!