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1.
To still-grind on a girl.

This word is Nigerian slang as the concept of quaving orginated in sexually-repressed Nigerian boarding schools.
The students crowded together in front of the message board, and the boys quaved the girls.
by puhfyn February 12, 2009
 
2.
Nigerian Slang. To use the palm of your hand to slap a girls ass.
Dolapo just quaved that girl.
by MrTrigger October 24, 2011