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Verb - 1. Imagining something so exciting you achieve orgasm. 2. Fantasizing about something when no other stimuli is available an attempt to achieve orgasm.
I was so bored, I started thinkwanking about what I was going to do to my girl after work.

Did you see the girl by the tulips, I'm totally thinkwanking about her right now.
by Tulip_Man April 20, 2009
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