Monkey fist

It’s when someone dresses up in a monkey outfit, shove their fist up their ass while sucking their “banana” (penis) until it’s mushy

My uncle came in with a monkey suit on and gave me a monkey fist until my penis was mushy

cheese fisting

Fisting someone with a block of cheddar or Parmesan.

My girlfriend wanted to fist me with cheese for her birthday. We later made a lasagna. Cheese fisting lasagna