An undesirable person who is outside the mainstream, especially in the general area of social competency. You wouldn't want to go camping with a turd knocker, and you certainly wouldn't want him nailing your sister.
Although our dear president is clearly a turd knocker, Hugo Chavez ought not to call him names because our president is OUR turd knocker.
by hoze-a November 11, 2006

by Alex December 5, 2003

by JENKINS MALLOY February 9, 2009

1. To describe two consenting women involved in the bumping of uglies. 2. Agressive vagina on vagina sex (twat knocking). 3. Slapping or smacking the vagina (twat knock).
"Damn... Those twat knockers look pretty bruised up."
"My tongue needs a rest. How about a twat knock?"
"My tongue needs a rest. How about a twat knock?"
by yukoncornelius April 9, 2003

by jamie love pie! February 8, 2009

by HoLiSsY June 1, 2009

when you do 2 skanks at once then piss on them and don't let them shower
then the next day they smell like skunks
then the next day they smell like skunks
by tttrucker4 May 31, 2005
