Top Definition
When you place a females underwear over you head and wank yourself off, usually with used underwear: the smellier the better.

Named so becuase one resembles spiderman with both eyes looking out through the leg holes.

Bob: I had a spiderman wank with your underwear last night, it fucking stank!

Sally: That's not my underwear, I'm helping old Mrs. Clegg with her laundry, she is 95 you know.

Bob: Ah well, I wondered why they smelled of fish AND cheese, but enjoyed it nonetheless.

Sally: I want a divorce.
by Simjimbimalim August 04, 2006
When You Masterbate, Come In Your Hand And Throw It In Someones Face! SHOUT SPIDERMAN! ;')
I Will Spiderman Wank You In Your Sleep ;)
by GGG OBJ June 03, 2009

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