SB 

The acroynm for the term, smug bastard. Often used to describe a person who is highly sure of themselves. Can be used in a conversation when someone is being a snob-like douche hole.

Joanna is such an sb just because she got a raise.

SB by Refused September 1, 2010

SB 

On Snapchat people usually say sb as an abbreviation for snap back which means send a picture back and that would start a conversation

“Bored someone sb please”

SB by Whats_poppin_bro November 13, 2017

SB 

Sugar Baby. Sugar baby is usually a female (but could be any gender really) that receives gift, money, and more from someone (usually an older man) typically in exchange for something (usually sex)

Can you believe she’s his SB! Did you see all those gifts her sugar daddy got her!

SB by AprilRose August 20, 2019

SB 

Abbreviation for Skinny Boy.

Usually used when someone is skinny or as a sarcastic gesture to someone who is overweight.

Also used in rap name "SB Sam"

Look at that SB (skinny boy)

SB by Hdhdusndju172 February 27, 2021

SB 

An SB is an abbreviated phrase meaning Soy Boy.

A Soy Boy is an effeminate Liberal wimp with no damsels and no muscles.

Dina Afraymovich is such a friggen SB! Imagine passing out by getting hit on the elbow! What a lib chump.

SB by lime99 December 19, 2022

SB 

abreviated form of SEXY BEAST

johnny: woah man your'e such an SB
craig: OOO BONK MEH

SB by sexybeast69 March 11, 2008

sb 

shortened form of somebody.

I was talkin to sb yesterday.

sb by m0 April 19, 2008