A sexual position in which the woman does a handstand. The man then sticks his magical balls into her vagina (Literally sticks em in) and she jerks him off (or if she's lazy, he can jerk himself off). This is repeated until the man cums and then he sits down hard, thus slamming the bitch's head against the floor.
Sally: Oh my god, Cindy, what happened to your head?
Cindy: Bob wank tanked me last night.
Sally: Oh shit, pwned nigga!
by Sex em' up! January 2, 2007
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To masturbate; bust a nut. Energize one selfs penis for sexual pleasure.

Origin: From the english slang word, Wank and the Gujarati tānkũ meaning "underground cistern.

Phrase Coined by the BBCF in early 21st Century. Experts guess around September of 2011.
Alex: Hey guys you want to go to the party tonight and Frank's house?

Jesse: Yeah that sounds sweet

Billy: I can't go. I have to furiously "wank the tank" to some new Kate Upton nude pics.

Jesse: Oh that's right, I can't make it either.
by The Voluptuous Lion October 31, 2011
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Guy: “Yo why haven’t you been gaming recently? Are you grounded?”
Friend: “Yeah, my mom caught me wanking the tank on friday, she said no ps4 for a month.”
Guy: “Damn, that’s awkward.”
by Rectumstretcher89 October 30, 2019
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The act of masturbating right before you fall asleep, most commonly during the afternoon.
I'll meet up with you later tonight, right now I just want to go home for a little wank n' tank to recharge.
by emupop October 9, 2014
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An abbreviation of the name for the practice of 'tantric wanking'. This is when one masturbates to the point of near ejaculation, but then suddenly removes his hand from his penis and proceeds to sit on it in a meditatory stance, thus ceasing the self-stimulation. The wanker repeats this process over the course of two to three days. Needless to say the result is incredibly spectacular, but can unfortunately result in knob-ache.
Boy 1: Where have you been for the past week?
Boy 2: I was having a tank wank
Boy 1: woah.
by Joe Iles December 4, 2007
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When a man gets sexually aroused and 'horny' so he masturbates and when he cums he lets his seaman fly into the fish tank, killing the fish, but resolving his sexual fustration.
I had a wank last night and didn't want a huge mess all over the carpet so I did it in the fish tank!

Shit, i appear to have killed my fish.

Fish-Tank Wank's are the best!
by Helen Back April 16, 2007
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The name provided to those who dont refuel the company car, failing abide by the half tank rule, despite having an abundence of time on a nightshift to refuel!
Kris was nightshift last night driving about in the company car and failed to refuel when it reached half a tank to the detriment of his colleagues. Kris is therefore a "half tank wank"
by Andyr5284 February 3, 2018
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