Top Definition
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?
#osprey #mv-22 #tilt rotor #aircraft #airplane #helicopter #plopter
by c9h13no3 January 16, 2009
6 Words related to Plopter
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