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1.
Used to address an individual who is exhibiting the characteristics of a cleft.
Oi, Clefty.
That's a bit Clefty.
by DJ Ofetsu February 26, 2006
 
2.
having more than one cleft
Blake is clefty.
Wow, you have dimples and a cleft chin and a cleft nose, wow, you are quite clefty.
by Lux! April 01, 2007
 
3.
An annoying girl with a cleft and red hair and often wears teal shirts and jeans and has biology with Merken.
Clefty mooches for answers.
by gringe666 May 17, 2004