follow-my-arrow's definitions

bumper humper

1) an impolite driver who tailgates cars in front of them

2) a person who gets uncomfortably close to ones back side, typically while dancing

1) "Stop being a bumper humper. I'm already going 70 mph in a 60."

2) "That bumper humper at the bar almost touched my ass."

by follow-my-arrow February 9, 2015