One who suffers from not having the ability to get a woody, hard on, or boner... Usually having to take some Viagra to go the distance
Wife: You ready?
Husband: No.
Wife: Now?
Husband: No.
Wife: DAMNIT!! WTF IS WRONG WITH YOU
Husband: (pops some Viagra) Give me 5 five more minutes!
by James Lowe October 18, 2004
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A combination of the words "flaccid" and "hideous" used to describe a whole new level of ugly (women). The condition of (a woman) being so hideous, the sight of her makes most mens' erections deflate into a useless flap.
"Damn dude, have you seen Amy Winehouse lately? She is looking flaccideous!"
by om3g@ August 16, 2008
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Flaccid; a word used to describe a negative situation. Often used to describe someone's life. It literally means that someone has "flopped", or failed.
"Life is so flaccid" - meaning life sucks.
"This is so flaccid" - meaning this sucks.
by massivefaggot June 18, 2013
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Lacking firmness, resilience, or muscle tone.

See Synonyms at limp.
Lacking vigor or energy: flaccid management.

lacking normal or youthful firmness

adj 1: lacking in strength or firmness or resilience; "flaccid muscles"; "took his lax hand in hers"; "gave a limp handshake"; "a limp gesture as if waving away all desire to know" G.K.Chesterton; "a slack grip" syn: lax, limp, slack 2: lacking firmness or stiffness; "flabby around the middle"; "flaccid cheeks" syn: flabby
He had gone flaccid so we couldnt have sex.
by noone February 2, 2005
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A term used for 'cool' or 'Awesome'. Other words like 'Rad', 'Dank', 'Dope', etc. This term is only used by the coolest people.
Steven: Hey I didn't go to homecoming, did you want to come over?
Jon: Sure. Why didn't you go?
Steven: Some people told me it wasn't flaccid so I didn't go.

or

James: Dude you kissed my girlfriend, that wasn't very flaccid of you.
by lonerdeboner October 5, 2014
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flaccid is how a guy's dick gets when someone thumps his nuts with their thumb and index finger while he's jacking off, resulting in a failed orgasm
Matt thumped my nuts as I was about to cum, and my hard dick got flaccid!
by USAF Cadet October 19, 2020
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