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slang: to wank, to jerk off

A Cantonese word, literally meaning "hit aeroplane" or "shoot aeroplane". It originally referred to the cocking motion of certain anti-aircraft missiles, which looks just like masturbating.

It's also used in Mandarin, where the pronunciation is "da fei ji"
Wo mei tian da fei ji!
(I jerk off every day)
by ralmin April 13, 2005
109 17
Direct translation is to hit plane. Metaphor for masturbation.
i da fei gei all day
by faye clarke September 17, 2003
59 19