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1.
Girly bits, esp. the really hairy ones.
So there I was, walking down the street, when suddenly this big fat chick came up to me and showed me her QUABBA. It upset me. Quite.
by demonicomelette March 22, 2003
 
2.
baby noise
Baby goes Quabba Quabba bing!
by digitaldave June 13, 2004