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1.
SBG
Somali Bash Gang. Originating in Minnesota, the SBG likes to bash Somalians.
waddup basher? you tryin to go bash some somalians SBG
by yeaa buddiiee October 26, 2010
 
2.
SBG
Sneezing Book Girl.
A girl who when holding a book and has to sneeze will hold the book up to her face sneeze in between the pages. Also keeps her coffee in a mason jar and brings it around with her.
Look it is SBG in never letting her borrow my book again.
by Bromlol November 04, 2009
 
3.
sudden breast growth syndrome, in other words: the act of a persons breasts becoming larger
Bob: Looks like she has some SBGS going on over there.

Joe: Yes indeed!
by DeltaSigma April 23, 2009
 
4.
SBG
S=Straight B=Bisexual G=Gay. Used to determine the sexuality of someone on an internet chat room. Usually to make sure they don't offend anyone
You: Hey!
Stranger: ASL?
You: 19 M US
Stranger: SBG?
You: S
by sdfkjlsdfjnlsdf October 04, 2011
 
5.
SBG
Small Boob Girl.

She's actually not that bad looking. No, really. Well some people LIKE small boobs. So there.
SBG says Hi!
by Zell Fze February 23, 2010
 
6.
sbg
Should be good
I've got a track race tomorrow, sbg.
by neeltheelectriceel January 11, 2011
 
7.
Sperm Burping Gutter Slut
That girl on the street looks like a SBGS.
by Courtneyrox February 03, 2009