Top definition
To have sexual intercourse. Another word for sex to disguise it in front of authority.
Douchey: That chick has some tig ol' bitties. On a scale of 1 to definitely, what are my chances of having segs with her?
Friend: I'd say highly unlikely.
by Aandy June 27, 2008
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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2
Shit Eatin' Grin. A smile on the lips paired with an oblivious look in the eye. An SEG can be alcohol-induced, pure ignorance, or just not giving a crap what anyone else thinks.
He wasn't wearing anything but that S.E.G.!
by PaulJames June 23, 2008
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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3
Short for segragation. In jail known as box, the hole. Time spent in segragation, separated from everyone else, as form of punishment
"Damn I just did 10 months seg."
by Bill W. February 02, 2006
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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4
From the acronym S.E.G. (shit eating grin). Used as an all-encompassing name for jocks, frat boys, bros, douche bags, ect., and refers to the cheesy smile the aforementioned often display, usually before date-rape, or climbing into a raised truck. Coined in Southern California in 2006.
John: Check out those dooshes in the trucker hats.

Sam: Yeah, those guys are total fucking segs.
by Gil Brooks October 09, 2007
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Golden Shower Plush

He's warmer than you think.

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5
Person 1:Look at that douche, he's sportin' a mad S.E.G.
Person 2: Yeah that guy looks retarded.
by Folsomite November 07, 2007
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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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6
Acronym for Sexually Educated Girl. The type of girl that has received a significant sexual education so that she avoid's all measures to avoid getting pregnant or catching an STD.
Dude 1: So shall we do it,

SEG: Yes, Do you have a condom? First I need to see the expiry date on your condom. Is it a Trojan or Durex, or Store brand? Where have you stored you condom, in dry warm conditions? Do you have lube? Is it water based or oil based? I think just to be sure, I better give you a blowjob with two condoms on.

Dude: Dayuuum girl, you a SEG!
by TheMadFelcher April 18, 2010
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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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7
Acronym for "Sing" "Eat" & "Go" in that order.

Mainly done at birthday parties, The act of one going to a party for a short moment and only singing happy birthday and eating, then soon leaving casually.
Person 1 : Ugh i got to go to this party tomorrow
Person 2 : I thought we were gonna hangout
Person 1 : Ill be back soon I'm just gonna S.E.G.
by Uhmm_what June 22, 2010
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Golden Shower Plush

He's warmer than you think.

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