Originally the act of smacking the cunt, but more oftenly used as an insult. Comparable to other insults likedumbfuck or dumbshit. Can also be used as a noun.
n. one who enjoys twirling their tongue around clits and, after that titillates his or her partner, placing their entire mouth around the genital area known as the clitoris and sucking as long as hard as a pleasurable erection; often results in woman jizz being spurted
Damn, dude! Did you hear what Alejandro did to Lauren last night? He is such a pro clitsucker.