shoulderhopper 

A surfer that drops in on your wave.

Hey! My wave,shoulderhopper!

shoulderhopper by Bo October 6, 2004

Shoulder hopper 

(surfer slang) A person who frequently engages in the activity of shoulder hopping.

Man, look! Another shoulder hopper down the beach! Damn, this beach sucks sometimes.

Shoulder hopper by FireSBurnsmuP December 17, 2008