A Wanker Wing is a large "aerodynamic aid" of dubious utility.

Usualy seen on ricers, adds drag, increases weight but has no value as the car in question never reaches speeds that require and downforce.
That toyota had a huge wanker wing on it, says a lot about the owner.
by Kaotiq July 26, 2006
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The flabby upper arm fat that moves up and down when in the moment of a tense wank
Lol look at my wankers wings , the faster I wank the more it flaps, they're take off in a minute
by mitch00uk March 31, 2015
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