An exceedingly firm clench, hold, or grasp around the shaft of the victim's penis, that is so forceful that it is deemed 'iron'. It is painful, and commonly used for, a bargaining piece, a way of releasing anger, an action of aggression, or to see the look on their face.
"I got George in such a good Iron Cock Clench that he almost pooped himself."
by urbandefiner2000 May 7, 2015
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A very sexual act that is only performed by lesbians. You first have you and your partner to take 3 kilograms each of cocaine 12 hours before the act. Once done you must obtain an industrial size iron ore smelter powered by uranium. Next both girls should defecate into a nuclear waste container filled with plutonium 239 and 100 sticks of TNT in a lead container with a fuse on the outside. They then should prepare a funnel just large enough for a dildo to fit through. Once the faeces have covered the plutonium you then should proceed to take some M&M's covered in petrol. Combine the radioactive plutonium faeces and petrol covered M&M's in a large plastic bucket. Begin the act by inserting 3 large pieces of iron ore into the smelter and turning it to full. Soak the dildo in arsenic and insert strap end into vagina. The funnel should then be stuffed with some of the radioactive plutonium faeces with petrol soaked M&M's. Begin by inserting funnel into the receivers anus. Then the two should jump into the iron ore smelter when the iron has completely melted. The other person with the dildo should fuck the other persons anus with the funnel in it. The lead container with the TNT should have the fuse lighted and thrown into the smelter. Then a B2 stealth bomber should fly overhead and drop 2 nuclear warheads onto the smelter while the dildo and M&M's combust along with the TNT at the same time as the nuclear warheads drop onto the smelter.
General: Colonel, how was the top secret nuclear project?
Colonel: Yeah, we gave it a twist by doing the Roswell Atomic Iron Smelter.
General: Donald Trump could definitely use that on North Korea!
by AWP_69analmaster69_AWP July 30, 2019
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When someone throws a handgrenade With high hopes for it to go somewhere but instead the grenade Returns to the one who threw it, either because the grenade hit something on the way or landed on something wich changed it's direction drasticly.

Might also be used if the enemy throws the SAME grenade back.
"See this gory mess on the wall ? That's what remains of the guy who threw a ironic handgrenade"
by DeadGoat May 26, 2016
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