Top definition
"When having anal with a girl doggy style and right before the climax you punch you partner in the back of the head and she clenches her ass cheeks and therefore causing the IRON CLAMP".
" uarrgg babe I'm about to cum "
"Too tight" you clenched to hard
"Babe you iron clamped me
by Pussy-destroyer100 December 17, 2013
Happy St. Patties Day!