when one has an erection and wishes to make it soft. usually because somebody is coming upstairs or into your room during a wank. And when made soft, will become a derection.
Mum: Dave, im coming to check if you are doing your homework!

Dave: Shit! i need a derection, and fast!
by elliot0084 June 10, 2008
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The opposite of an erection. Usually caused by witnessing either someone who is hideously ugly.
a: 'Oh my god did you see that aboslute mole.'
b: 'Yes, she gave me a derection.'
by LOX_Lox May 28, 2007
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The opposite of an erection. When you see/hear something so disgusting that your penis instantly becomes soft.
Man 1: I just saw Lindsey Lohan file a lawsuit against GTA V and I got a derection
by TheReckoning7 April 15, 2018
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Something so horrific or strange that is causes an erect Penis to go flaccid.
being thrown up on ruined my night and caused a massive derection
by Trianglesoflove January 2, 2017
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When something puts you off an erection, Whan your dick goes from hard to soft!
Gemma 'daniel i wanna suck your cock now, come upstairs im gaggin..'

Daniel 'im with my mates, but come on then go upstairs an txt me when you ready ill say im on tthe phone''

Gemma ''(text) come bby im horny an fingerin myself waitin for you with ma vibrator''

Daniel goes up an gets sucked off, he now wants to fuck her ..but he smells something lifts up the quilt an her pussiy is stinkin!! he has a derection but dont wanna tell her.

Idaniel thinkin -id neva tell you im bi, cause least they dont smell an turn me an fuck him when i want just pay im too keep it low
by LankymanDan November 9, 2009
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The act of sucking the male genitalia (cock and balls) into the body, leaving a crater.
Dude is that a hairy chick?" "Naw man that's just a guy flashing his derection."
by [Insert penis here] July 31, 2011
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A feeling a male figure may get when he sees a very unattractive woman wearing an exposing outfit. The opposite of an erection.
Today I saw Liz wearing a short skirt, I totally got a derection.
by moneybanks$$$$ April 8, 2011
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