The perverse but highly humorous act of engaging in doggy style sex with whomever, ejaculating into your palm of your hand discreetly then saying "hey Babe turn around" and then flicking your semen into their unsuspecting face, whilst shouting out loud "Spiderman!" (or even funnier - "Go Web Go!").
Guy 1 - "Hey man how's things going with Lisa?"
Guy 2 - "Not good, I gave her the SPIDERMAN last night and she kicked me out."
Guy 1 - "Haha! Even after that rusty trombone too??"
Guy 2 - "Not good, I gave her the SPIDERMAN last night and she kicked me out."
Guy 1 - "Haha! Even after that rusty trombone too??"
by Llewelyn Dowd June 5, 2024
Get the Spidermanmug. by JebronLames123 February 11, 2020
Get the Spidermanmug. 
To make the conscious decision after you blew your load to get rid of it by throwing it at someone, alike the way Spider-Man slings webs at his enemies.
Kyle: Yo dude, I was totally spidermanning people standing down on the street below from my balcony.
Sinon: That’s sick man...
Sinon: That’s sick man...
by JHerb46 August 9, 2020
Get the Spidermanningmug.