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 25, 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 January 31, 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
