Mostly used in the debating community. Overwanking means that you’re hyping up a fictional character by saying they are significantly stronger and more powerful than they actually are without much to back it up.
Example
Overwanker - Naruto & Sasuke can blow up Planets.

Normal Person - No they can’t, thats overwanking them.
by TimXMan September 24, 2019
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Like an overdose, but with wanking.

Effects include: tiredness, hand cramps, premature ejaculation etc
Jonny overwanked so much that when he finally got a girlfriend he couldnt "perform"
by FluorescentAdolescent November 26, 2009
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