Cake Check
It is when you grab/slap someone’s ass or their “cake”
I cake checked her so hard
cake check
similar to the dutch oven, a cake check is when you let one go under the covers and keep it sealed. you then open one side to let the air escape and it hits you in the face just like when you open up an oven to check on a cake.
you're sitting in bed with your significant other and you let one go (silently since it will work best that way), then open up the end near your partner's side and say "cake check!"