Urban Dictionary: buttsuck

Using one's sphincter to stimulate the tip of a stationary penis, in a similar manner to performing fellatio.

I asked her to butt suck me off while we were spooning. She was happy to oblige.

He got butt sucked by a stranger in the parking lot.

The definition of a 'buttsuck' refers to the admin, Ichi-Min from Bleach RP Society, who Roleplays as Ichigo Kurosaki.

"Ichi-min is a Buttsuck."

by Greyface Anon! October 04, 2011

Mark: I really like your hair Ms. Rogers.

Sam: Wow, what a butt suck.

by McKisenwether July 23, 2009

its When someone uses you for something for a long time.

Your a Buttsuck bro all you do is use me.