An asshole... a tied baloon looks like the human asshole.
My woman has a tight brown baloon knot.
by d0c March 17, 2008
Slang: synonomous with asshole. Mainly because a normal tight sphincter resembles the inside of a knot made on a baloon.
Hey ... last night I popped her right in the baloon knot.
by Joey Provalone January 24, 2003