What is Munt-smack?
1.
Munt-smack, verb. To smack an ugly person in the cunt.
Munt; the contracted form of 
Munt smacking is often, although not exclusively, done while the ugly person in question is asleep/passed out. Extra credit is given when munt smacking is performed with the ugly person conscious
I was at Jack's party last night, and that bitch Claire was there, passed out on the sofa after drinking a whole bottle of vodka. I've been waiting for an oppertunity to munt-smack that bitch for years, so i did, as hard as i could on her cunt. She was not impressed
I munt-smacked that bitch good and hard....
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