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1.
A participant in a kitty who regularly orders the most expensive drinks or food; consequently, depleting the kitty's funds so that participants share less.
Pagal is such a kitty killer; he ordered lobster stuffed with lobster last night at dinner.
by general deegan February 22, 2011
 
2.
anyone who masturbates!
everytime you masturbate, God kills a kitten. If you masturbate then you ARE a kitty killer :]
by emily_XTC July 10, 2008