shotgun fuck
When two people both call shotgun for the front seat. The result being the two people fucking each other. The first one to cum doesn't get the seat.
Matt: I had such a good shotgun fuck last night with Megan!
Dylan: What the hell is a shotgun fuck dude?
Matt: A fight over the front seat which leads to sex whoever cums first loses.
Dylan: Now I understand
Dylan: What the hell is a shotgun fuck dude?
Matt: A fight over the front seat which leads to sex whoever cums first loses.
Dylan: Now I understand