SD

Sperm Donor
A male whom thinks he's the shit, does not help with the family, most likely 420 friendly, with many DUI's, is having relations with the neighbor women, and thinks your to stupid to figure it out .Also whom actualy thinks the sun rises and sets for him.
Neighbor to woman: "Where's your man?"

Woman: "Oh you mean my SD, prob at the bar or looking for a 40."

Neighbor: "Ok let him know I stopped by"

Woman: "Sure thing Princess"
by MissPriss73 July 10, 2009
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SD

To call out a newbie in a flame match.
by fdsaasdf October 18, 2003
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SD

Abbreviated form of the phrase "Sweet Deal". Used when you have come across a great situation and you have little time to say the word in its uncompacted form.
A Buy 1, get 1 free promotion is an SD
by maidenheaven June 02, 2005
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SD

Something that is incredibly, mind-numbingly boring. You want to shoot yourself in the face it's that boring.
'Man she is so boring on facebook- her status's are sooo SD'

'I wish he'd stop going on about how having children is going to end his social life. Its starting to be very SD'
by Therealashes June 25, 2009
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BCD/SD

Behind Closed Doors/Sugar Daddy. Relationship where a woman offers sexual pleasures or other attention in exchange for money, gifts, etc.
A ad in a paper would read "BCD/SD A happy woman, makes a happy man!" A woman looking for financial help in exchange for weekly visits with an older man. SD/SB. (Also see Sugar Momma)
by Stormgiant July 17, 2012
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SD/EE

A GunShY Trainer made for DFLW Demo stands for Self destruct/Easy Exit which give an ability for player to close out whole game without exiting regular way.
- ßule Eyez: Runner545 get out.
- BananaBoi: Runner545 is cheating
- Foxy100: Bye cheater I'm bannin you.
- Runner545: (presses hot key of SD/EE).
- Foxy100: ...He left that fast?
- ¥ukôn: Rofl
by DKXStambull August 25, 2009
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SD/SB

Sugar daddy/sugar baby; A relationship where typically a younger woman provides 'companionship' to a 'generous' older man. A way of saying a regular mistress, 'kept woman', etc. Can involve roll playing or whatever is negotiated. An old refined form of prostitution with a newer name by adding the 'sugar baby'. (The term 'sugar daddy' has been used for years. 'Sugar baby' is a newer phrase for the woman's part.)
"Man, you should see all the ads for SD/SB arangements in the classifieds. Wish that I could afford one."
by Barner February 18, 2012
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