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8.
When Two Women Rub Beef Curtains
I love it when they show porno chicks bumping uglies.
by Mark In The Dark Kelly September 07, 2003
 
9.
"Bumping Uglies" is when two unattractive people are copulating, and, the average person would be repulsed to witness such an act.
Of course the word 'unattractive' is really a relative concept isn't it.
God, I can't imagine my parents "doing it", they're a couple of 'bumping uglies'.
by mjr December 05, 2003