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1.
While at a bar, the act of saying something so off the wall to a chick that it leaves you and your friends around you instantaniously no chance of scoring.
Kurt: Joe, this is my friend Sarah.
Joe: So Sarah, you going to give me a blowjob tonight or what?
EXAMPLE: Last night at the bar Joe was such a Keough it ruined any chances I had with scoring with that hot chick.
by bert digler April 08, 2007
 
2.
Ke·ough verb. (key'O)
The act of fondling another man's genitals with your tongue or nose.
Dude, that guy so wanted to Keough my fucking nuts.
by PompanoRyan August 07, 2005