Situation: A male and a female are participating in anal sex, the male pulls his phallus out of the woman's butthole, and a piece of shit is propelled across the room.
When one takes a piece of shit and rolls it in sprinkles and nuts. Then one sticks one end in his/her mouth while another person puts the other end in their mouth. Then they both "Lady and the Tramp it" by eating both ends until their lips meet and they makeout.
Describing somebody who is clumsy with objects. Tends to drop them easily.
Example. balls, mugs, etc.
Also unable to catch things.
Origin. We all know that butter is really slippery, and butter fingers would mean your hands are really slippery, therefore unable to catch/hold things without dropping them.
How many times have you dropped our mugs!? You really have butter fingers.