The secret, dangerous, fifth teletubby. He's Tinky Winky's cousin. He'll cut you.
Ill pull a Shanky Wanky on you!
by CrankyCripple July 23, 2010
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When you wank with a knife in your hand.
The best and worst feeling at the same time.
Hey you free tonight’
‘Sorry no, I’m feeling like a shanky wanky
by Demon weeb June 26, 2018
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