Subscribe English
look up any word, like 420:
 
11.
Seg
Seg = 539. 539 is 1337 in hexadecimal form. Too many people were found to be using 1337, therefor the truely 1337 have turned towards their base 16 saviour, hexadecimal numbers!
Seg, or 539, can be used instead of the word 'Sex', as well as meaning 1337. eg...

-I'm so 539sy (I'm so sexy)
-OMG 539 (Oh My God, 1337)
-539z0r HaxXz0r (1337 hacker)
by An@rchy May 25, 2004
5 18
 
1.
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
12 1
 
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
7 0
 
3.
seg
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
21 19
 
4.
Acronym for Shit Eating Grin
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
2 1
 
5.
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
0 0
 
6.
Seg
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
23 23
 
7.
SEG
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
6 8