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The act of defecating in your pants, caused by intoxication, and smearing your feces all over a friends bedroom, bathroom, desk and even yourself.
"Hey Tony let's go to Steve's house and give him an Uncle Jerry!"

by benjboy January 23, 2009
The new nickame Alan Kalter, announcer of The Late Show with David Letterman, has given himself in place of "Big Red." This is usually when he uses his street talk to try to sound like a gangster and calls host David "DL".
"Hi, I'm Alan Kalter, TV's Uncle Jerry."
by defgtyu August 10, 2006