When a male pleasures himself publicly, like the now-legendary incident with Holmes in the locker room (guys). This is a confirmed fact.

Alt. Definition:Wacking off in public
Excuse me, but could you PLEASE stop holmsing in front of me??

Ewww, he's HOLMSING again, make him stop, don't think things like that about meeeee!

Hey you kids, cut that out, hmmm, OH MY, what the F do you think YOU'RE doing young man?? AT LEAST do that in the Girls' locker room!

Lastly, Pacek if you don't stop holmsing, I'll sick Spader on you, and trust me, once you get Spadered, you'll never think gay thoughts again...
by SpadeAvenger September 29, 2004
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To completely screw something up by yourself with no intervention/complications by any one else.

Came from:

Santonio Holmes injured his foot in the open field with no one around, fell to the ground and threw the football up in the air with out being touched so it was a fumble. Play resulted in a fumble recovery and return for a touchdown by the defense. Happened on the Jets/49ers game on 9/30/2012.
Dude... quit holmsing-it every time you go ask her out.
by corkysru October 11, 2012
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