cari istilah yang lo mau, kaya' tribbing:
 
1.
the act of motor boating but using a woman's ass cheeks in place of a woman's breasts
Bob really is an ass guy, so he decided on motor butting Nancy
dari phildothegreat Jum'at, 18 Oktober 2013
 
2.
The act of perform a motorboat, but on someone's anus.
We were about to start some rusty trombone, but it wasn't hard, so I turned to doing some motorbutting.
dari scumbeater Jum'at, 15 November 2013