look up any word, like swoll:
 
1.
someone who scratches their ass and then their fingers smell like shit
my husband has buttfingers after he scratches his ass
by yourcrazy April 07, 2006
 
2.
to stick one's finger up their own ass while sleeping. Then place that finger near their nose!
Dude, it was hilarious! Last night we got completely thrashed and butt fingered Ronnie!
by steve April 20, 2005
 
3.
It is when a person takes their finger and inserts it into another persons or their own butthole. It can used in a sexual sense or simply as a greeting to one of your friends. It is used when stimulating of the anus is necesary but you don't want to get poop on your dick.
adj. : Hey buttfinger boy come over here.
verb. : yeah dude im totaly going to buttfinger her tonight.
by KcoopZ January 29, 2010
 
4.
when wiping ones ass after a messy dump. you find that you got shite all over your finger.
"god damn it i just got serious butt finger from that shit."
by i love picking my arse May 21, 2006