SDS

Shitty Dick Syndrome.

1. After cumming during anal sex, you pull out just to get a shitty surprise all over your dick.
Guy 1: Bro I was fucking this chick in the ass and when I pulled out it was just gruesome! There was shit everywhere!!
Guy 2: Awww this dude got SDS
Guy 1: What's SDS?
Guy 2: Shitty dick syndrome!!
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SDS

-Second Date Syndrome

1. Having already met a girl or guy the day before (often at night) and you two were just so into each other, the second time you meet and for some reason they don't look as attractive or seem as interesting as they did before.

2. When meeting a particular person you had a hell of a lot of chemisty with at a previous time and for some reason it just isn't there anymore the second time you meet.
Josh: Man, I'll tell ya I was really feelin' this girl last night when we met at the park, but for some reason she just ain't as fun and sexy as she was before...

Jerry: Ha ha. Sounds like ya had a case of SDS. Sucks for you...
by Domah Da Duce September 26, 2006
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SD

Same Day. Used when describing tv ratings - live and same day.
Number of viewers Live+SD.
by cableguytk October 18, 2007
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SD

Serious Discussion. Used in the internet forums to describe a thread. It is used to discuss serious topics, not for whoring. In this type of threads generally there is a lot of arguing.
(SD) How many more children must die in schools before america says no to guns?
by morrissey02 April 21, 2007
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SDS

By bringing into question the gangsters ancestry, mating habits and sexual orientation, Joe knew he was a prime candidate for SDS.
by logan9a July 25, 2011
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SD

Acronym for, Slydog
1: someone who gets with sluts when they are already in a relationship.

2: someone who does something on the sly.
Danny I cann't believe you slipped that lass one up the arse when your married. Such a SD you are.

Fucking SD mate, as if you managed to get me 50 condoms without anyone seeig you.
by Dan Bates January 30, 2008
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SD

that stu downie is a sd
by stuart downie September 09, 2003
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