cake farting 

Putting your "BH" on a cake & farting. Blowing the frosting off the cake with your "BH".

BH=butthole

Leslee took off her panties & has been cake farting all up in this bitch.

cake farting by Cake boss May 11, 2014

Fartin' on my cake 

to rain on someone's parade, to diss their set. Reference to cakefarts.com. To disrespect someone so much that you walk into their birthday party, and proceed to deficate on their cake.

we got problems or something? why you be coming up here fartin' on my cake nigga?

Fartin' on my cake by rizzy viz December 21, 2009