n.
Guin·ness Slump (gin'iss slump)

1. The state of being on such a long dry spell that it dares to compete for longest slump in history, ergo being submitted to the Guinness Book of World Records.

i.e. Your best excuse for sleeping with someone highly unattractive, but one that gets you made fun of nonetheless.
1.
Guy 1: Dude Lindsey is lookin' fine tonight man, why don't you jump on that shit? She'd so let you smash.
Guy 2: Dude, I don't even think I remember how to smash. I'm on a fuckin' Guinness Slump here...
Guy 1: LOL!
by Sweettooth187 February 28, 2009
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