As a noun clitty
is (slang) the clitoris; clit.
As an adjective slitty is
(slang) The clitoris; clit.
* 1997 , Ben Pimlott, The Queen: A Biography of Elizabeth II
* 1998 , Julie Myerson, Me and the Fat Man
- Chatting to some British students, he cheerily remarked that they would get "slitty eyes" if they stayed too long in China.
- We choose the farthest away church with the blackest, slittiest windows and he pulls me and Jimmy in.