A chocolate finger is where you are making out with a girl and you slip her the finger but instead of inserting it it accidentally ends up in the ass.
This commonly occurs in a drunk or disorientated state.
When this happens, the nickname chocolate fingers usually sticks with them for a long time
1)"Haha Dave got smashed on friday and chocolate fingered some girl behind the pub!"
2)"here i go"
"umm wrong hole..."
"Wahay Choco-fingers!"
When a male or female is asleep beside you, you stick your forefinger inside their anal gland (with no lube) and see how many knuckles you can get in before they jump. Knuckle depth can be measured by the shit stain on your finger.
Male
Last night Liam passed out at the party! You'll never guess what happened, Joey have him a Chocolate Finger Puppet and got third knuckle!
Female
Arnold's misses fell asleep watching Netflix facing him. It was a prime opportunity for a Chocolate Finger Puppet but he had to improvise with a reach around.
When your wiping your ass and your finger accidentally tears through the toilet paper unnoticed. Can be especially problematic if you scratch your nose later on.