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2.
The name of a white furry Pokemon with a snout.
I tried to capture a Mankey in my Pokeball, but it escaped!
by Richel Bilderbeek August 06, 2005
 
1.
A word used to describe something that is much worse than the word "disgusting" or "nasty"
"oh damn, that is soo mankey dude"
by G-Unit_1 August 13, 2006
 
3.
Something that is crazy, unique, abnormal or unreal.
Yo that guy's going mankey!
by O_J_A December 06, 2010