Noun. The state in which a man is too intoxicated to erect his penis. Also known as a very severe case of whisky dick.
Austin: "Hey man, you seemed way too drunk to function last night...did you hook up with that deaf girl?"

Will: "Oh I had no chance of getting it up, but you better believe I still fucked some sounds out of her with my flacid pedro anyways!!!"
by phillyyy February 20, 2011
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a unit of measure ranging from 3-6 inches used for linear measurements or a measure of volume.
My tee shot landed about a flacid cocksworth from the hole.

I have about a flacid cocksworth of milk left in my glass
by theshopkeeper October 29, 2010
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A term to describe someone who has a penis which wider than it is longer but it also floppy.
Marcus has a flacid chode everytime he sees a naked woman.
by BernieG95 January 21, 2018
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When the porn or any other source of sexual pleasure isn't hot enough to give you a boner and your penis is flacid like a flap jack, but you still rub one off anyways.
"I was watching tub girl last night, but she didn't do it for me so I pulled a flacid jack just for the heck of it."
by DjDM May 7, 2009
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When your dong is suddenly gone because you were trying to have sex with your sister then your girlfriend walked in. (That word is only a valid word in cases exactly like this)
I was tryna fuck my sister, but bae walked in and my dick got scared so it let out a loud shout saying "INSTANT FLACIDITY!!!" Which of course activated the power to retract immediately so as to flee a dangerous situation
by YouDontKnoMe_ September 11, 2019
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