A fork of Rural Dictionary
Noun. Mouth, i.e. the orifice one ought to be using for eating cake rather than talking shit. From the British slang cakehold, a vulgarity in the 50s or 60s. Now recognized as a very juvenile colloquialism. See also pie-hole.
Shut your cake-hole, or I will shut it for you!
Cake is your ass+Your ass has a hole=asshole
Wow, thanks for the cake. I bet you have a nice cake hole ;)