2 definitions by scumbeater

Top Definition
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.
by scumbeater November 15, 2013
Scum. Shite.
Look at that scum. He definitely a Chvis
by scumbeater November 15, 2013
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