Wanga Wanga (n) : slang for penis.
wanga wanga (v) : refers to the motion of the penis when one goes commando.

The word came into popularity after Russell Peters used the word in one of his stand-up comedy shows.
Wanga Wanga (n) : I'm wearing boxers today and i don't wanna make any quick movements and hurt my Wanga Wanga.

wanga wanga (v) : "You know, one of the perks of shaving down there is that when you go commando, you can literally feel it going wanga wanga."
by Bruce Peterson March 3, 2011
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