A group of fully aroused men perform a manual sex act whilst surrounding a consenting filthy grubby dutty dutty biatch, and in turn explode thier load (ejaculate) onto the afore mention dutty dutty slut, onto whatever part of her is adjacent to them. When each man and his little feller have fully deposited in turn, and only then have you acheived a MEXICAN WANK.
Craig: We found this dutty bird last night so me and the rest of the team did a mexican wank all over her.
Rob: Wow! Did she enjoy it?
Craig: No! there were loads of us she nearly drowned.
by Mr.T. June 30, 2006
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1. Slang term to descibe an axolotl.

2. An axolotl who is just BEGGING for a mate, but their owner doesn't want to get another pet.

3. A penis.
1.
Gotta go, I have to feed my Mexican Wanking Fish...

2.
My pet axolotl Bubbles is SUCH a Mexican Wanking Fish. He drops his sperm everywhere in the tank and I'm too afraid to stick my hand in the tank to feed him.
I am saving up for that cute pair of pink high-heels and I don't want to get him a stupid mate!

3.
Dude, do your fly up - I can see your Mexican Wanking Fish!
by Thora "Trif" Rogers September 22, 2006
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Pressing the bum cheeks of another man/women together whilst vigorously moving your penis up and down, between the pressed cheeks.
LsLaws was knelt whilst Raj was on all fours giving him a mexican bum wank!
by MatrixwolfRN December 14, 2010
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