Pillow Buster 

When two people have sex for longer than thought humanly possible, resulting in damaged bedroom funiture such as broken beds, pillows (hence the name), cracked bedroom tiles, and torn/soiled sheets

Alex gave his girlfriend such a pillow buster that she couldn't sit or walk for days.

Pillow Buster by 36killa March 25, 2007

pillowbuster 

n. a teenage boy who, lacking a willing girl, fucks his pillow

Girl: "Ew, you like HIM? But he's a pillowbuster!"

pillowbuster by ExtraFine August 9, 2004