Plopter

noun-
Slang for an MV-22 Osprey tilt-rotor aircraft.

Origin: Tilt-rotor aircraft function as both an airplane or a helicopter.

Did you see that plopter fly by?

by c9h13no3 January 16, 2009

retard rotator

A fidget spinner

Look at Kelly playing with her retard rotator again...

by c9h13no3 June 11, 2017