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2.
An obnoxious noise maker used by Whoopi Goldberg at parties.
What's that horrible noise?
-Oh, that's Whoopi with her whoopknocker.
Who invited Whoopi!?!?
by Chocky Whitman December 31, 2007
 
1.
AKA saggin boobies. Also see: flat pancakes.
Person 1)) Damn, did you see Beth's boobies? She had some niiiice whoopknockers..
Person 2)) *Smacks Person 1 in the face*
by Chocky Whitman December 31, 2007