means self-made boss. It's describes one who has overcome many struggles and learned how the system works.
1:Damn kennedy has got some street
smarts. He's a smb

2: Hell yeah. Since his parents died,
he's been workin hard to
support himself.
by SBM-nguyen April 18, 2011
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Small-Minded Bigot

Used as a response or retort to a bigot calling someone SJW when the their hateful behavior is condemned or criticized.

Bigot - One who regards or treats the members of a group (based on such as ethnicity, gender, sexual-orientation, religion, etc.) with hatred and intolerance.
Anyone who calls someone 'SJW' is automatically a 'SMB'.
by BeExcellentToEachOther August 8, 2018
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SMB: Suck My Balls, acronym used for social media, text messaging, etc.
Friend, "Make some food."

Me, "SMB"
by Ky.Free February 24, 2014
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i wish i could stay home this weekend and just smb !
by dripXdrop August 4, 2010
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