a greco-roman wrestling move, originating from southwest florida, in which one grappler penetrates the other's asspipe with his thumb
throw in the thumblock!!
by Chuck Blonde January 5, 2008
Get the thumblockmug. whilst doggystyling a female partner, insert both thumbs into anus and bend at the first knuclke joint of the the thumbs and pulling towards yourself
john wanted to fuck doggystyle but his girlfriend decided she wasnt into it. John then applied the double thumblock problem solved his girlfriend couldnt get away.
by Dfuzed Cell September 19, 2009
Get the double thumblockmug.