Definitions by VannAleXX

mom seatbelt 

verb- the act of instinctively placing your arm over someone or something in the passenger seat when slamming on the breaks in the car.

BREAKS SQUEAL!
Me: "Woah. I'm happy I mom seatbelted the pizza. That would've been ugly."

mom seatbelt by VannAleXX January 9, 2012