Slang for an abnormally long penis, usually over 8 inches in its flaccid state, over 12 inches in its erect state.
Girl, yesterday this fool showed me his pet iguana in the bathroom!!
by Prazzo July 16, 2009
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happens when you jerk off with shampoo and the chemicals react with your skin. the skin on your penis proceeds to dry up and become scaly and iguana-like.
guy 1: i am never jerking off with shampoo ever again

guy 2: do what happened? (guy 1 shows guy two his penis) gross! your dick looks like a damn iguana

guy 1: (to himself) hmmm, iguana dick. i'm gonna put this on urban dictionary.
by iguanapenis April 19, 2009
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This is when you are banging a girl on the beach and you pull your slong out of her, then proceed to get sand stuck to your penis. Once your penis is fully coated in a layer of course sand you then forcefully penetrate you womans anal canal whilst she remains unaware. Due to the sudden shock of a sandy peen in her butt she will thrust her head forward poking her tongue out much like an iguana's reaction when scared.
Bro I gave Sandy such a Rusty Iguana last week, she's still getting grains out as she poops.
by Riscuit4TheBiscuit September 13, 2017
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Someone who is very special, also used when describing a random or crazy thing.
If I don't get any sleep the fuzzy iguanas will be rampant.
by Fuzzy Iguana November 14, 2017
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A marijuana iguana is when your lizard is puffin on that hard ass kronic hoe.
Man yo iguana has some serious red eyes can i eat him?
by Steve October 29, 2004
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