The act of wanking alone with 3 fingers up your bum.

Inspired by Bullet for my valentine!
Jace - Hey, i heard Crazy Jimmy got caught doin' a dirty solo in the work toilets the other day!

Charlie - Isn't that a new bullet for my valentine song?

Paul - No man, they never have dirty solos!
by Tittiewank123456789 September 24, 2008
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