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 onUrban 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?