Shit that is so big that whoever is taking such a shit is in so much pain that he/she feels like that iron man is crawling out of his/her ass
I was so relieved after I was done taking an iron shit.
by Defile January 16, 2015
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(n.) slang for the frozen mud surrounding any vehicle parked on muddy areas and left to freeze in over winter.
It's stuck in this cast iron cow shit.
by Kung-Fu Jesus May 1, 2004
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