when one's dick becomes so hard that they cannot control actions such as: cheating, being an asshole, and in extreme cases, rape.
Dude, i had a horrible case of iron dick at that party last night.
by t coxx January 28, 2008
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someone who's dick gets so hard it's like metal
Natalie: so did you give him a blowjob?

Ramona: Yeah it was great he had iron dick.
by asshat bridges May 28, 2017
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Is a Legend. Has slay more land snapper than can be counted. Is the most badass and crazy man to live. His D is totally made of pure Iron and has balls of brass. If he turns to the right and you're sitting down you will be knocked unconscious! His D is too big... Too big!
Ohh gawd! It's MC Iron Dick!
by avictimoftheirondick January 28, 2014
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A sex game for gay couples to play, in which both men dress as cowboys and face each other like two cowboys dueling. Upon draw, they must unzip their pants, take out their dicks and begin jacking off. Your victory is determined by two factors: whether/not you cum first, and where on your partners body you cum.
Rules of Big Iron On His Dick:
·Both partners must dress up like cowboys (must be wearing some article of clothing that keeps the dick put away until the draw).
·Both partners must enter a room with enough space for them to dual in.
·Both partners must face each other from at least 4ft (1.219m) away.
·Must play western ballad music (preferably Big Iron).
·Once someone calls "draw", both partners must take their cocks out and begin jerking off.
·Whoever scores the most points wins the round.

Cumming first: 10 points
Cumming second: 5 points
Cumming on your partner's face: 10 points
Cumming on your partner's groin: 5 points
Cumming on your partner's chest: 5 points
Cumming on your partner's arm, abdomen, hip, or leg: 2 points
Cumming on your partner's feet: 1 point
Missing your partner completely: Loss of all points
by CuteBoy56 January 5, 2021
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