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.
verb. : yeah dude im totaly going to buttfinger her tonight.
by KcoopZ January 29, 2010
by yourcrazy April 08, 2006
John: That person eating doritos is probably gonna have insane buttfingers
Peter: I ate some cheetos and now I have insane buttfingers
Peter: I ate some cheetos and now I have insane buttfingers
by SittingInTheWaitingRoom February 01, 2018
After Bob got anal relief for his itchy asshole by twirling his middle finger his butt, his girlfriend Sarah commented on the offensive odor from Bob's stinky ass buttfinger...
by K-Krunk November 01, 2017