Using the wrong word or term to describe something that has a specific word thinking that the term used is close enough. ie. calling a "table knife" a "butter knife" or a "sheet" a "blanket". Usually in the context that it has created confusion or the wrong supplies to be ordered.
"She kept butterknifing Rinse Aid on the shopping list so now we have a ton of dishwasher soap and we are out of dishwasher rinse fluid because she kept putting 'dish soap' on the list instead of Rinse Aid"
Like spooning, butter knifing is laying together with one or more people. Unlike spooning, you lie completely straight like a butter knife and you don't even have to touch the other person. Looks a lot like planking face up or a corpse in a coffin.
Player 1: She won't get out of my bed.
Player 2: Spoon her.
Player 1: No. Spooning is gross. I'm gonna lay next to her like I'm dead. Look we're "butter knifing".
Player 2: You should put that on Urban Dictionary before someone else does. What would forking be?
Player 1: We all know what "forking" is.
Player 2: Painting your toenails is hard.
Player 3: Wait. Look. Do I look dead yet?
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.