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2.
A silicone protector that prevents crumbs from getting into the keyboard. Normally it is removable and washable.
dude your Keyboard Condom is getting pretty dirty, maybe you should clean it.
by Always uses a keyboard December 20, 2012
 
1.
Any of a number of possible repellers or absorbers (i.e., a sheet of plastic wrap, towel, T-shirt, underwear, magazine, etc.) that is placed on a laptop keyboard to protect it from ejaculate when one is having video sex with an online partner.
I was videosexing with my girlfriend on Gchat, so I snatched my boxers for a keyboard condom over so it wouldn't short out after I screencreamed.
by The Pigfarmer's Grandson April 11, 2010