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15.
smb
An overly-polite sort of girl that uses phrases like "Tee-hee" and "'Scuse me!" all the time. Used to describe a person that acts like a goody-two-shoes.

Originated from the initals for "Samantha Marie Barnes", who is a girl that acts this way. The infamous "SMB Poem" catalogues her trials and tribulations.
My name is little SMB
My favourite saying is "scuse me"
I love Georgene and Lady Barnes
Even if M Jamba has big man arms

Mrs. Hunter spanks me in gym class
And Mrs. Olscheski loves my ass
I haven't done my homework,
Not for a while
That's why Mrs. Ullman has
Georgene on speed dial!

Thank you and 'scuse me. Tee hee!
by Techno April 12, 2005
 
1.
SMB
Suck My Balls. usually used in an dominance term. Either angrily or after a competition. usually said after beating someone by a large amount in a video game.
"player 1" oh yeah i beet you again at Mario kart
"player 2" like i care
"player 1" SMB *does a random dance while waving hands round his crotch*

As demontrated in pure pwnage episode 10
by Michael (Mullet) Emmett May 02, 2006
 
2.
SMB
"Suck My Balls"

1. the expression of wanting or saying for someone to put their scrotum in your face.
2. What is said out of anger to friends
1. Hey, I'll give you 5 dollars if you SMB

2. Kid 1: wow joe your so stupid
Joe: Shut up kid how about you SMB!
by WeezyDaBoss September 17, 2007
 
3.
smb
literally suck my balls, but used more like a taunt. Mainly used by teenagers and adults that havn't got a job yet.
woot i won! smb mtfkr!!!

Translation: Great! I've defeated you. You Suck.
by D-Dawg3000 September 27, 2007
 
4.
SMB
suck my balls
"actually he is in Iran and they're blocking his internet so i cant give it to you"

...SUCK MY BALLS!!!!!!!!!!!!! or you could simply say "SMB!!!"
by dollabillfasho June 19, 2009
 
5.
SMB
Shaking My Brain
SMB is like the other term Shaking My Head(SMH)as if you're dissapointed from somethin somebody says or does so you shake your head
by ghettodoll January 18, 2011
 
6.
SMB
Shakin' My Bed (self explanatory)
i'm gona be smb w. my boyfriend so don't bother me!
by Nsalsog November 02, 2010
 
7.
smb
SMB means SUCK MY BALLS to be blunt
guy 1 : you are gay
guy 2 : SMB
guy 1 : wot
by tommy bizzle January 09, 2005