Suck my balls.

Used to sign off letters or emails to someone you don't like or you consider the content pointless.
Hi John, Please find below information that you already have available to you. Eliot. SMB.
by Master Goblin October 18, 2018
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SMB a texting symbol that's stands for shit my bed.
Gas prices got so high I almost SMB.
by TeamDepp May 23, 2022
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Jake: smb?
Jj: you’re weird, you like back scratches
by TheRealDonalTrump March 12, 2019
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"Smoke My Ball Skin"

When an individual has enough extra ball skin, that it is possible to roll a blunt out of it, and smoke it.

Can also be used as an insult.
"Oh wow, the guy I hooked up with last night had some real bad SMBS drapes"

"I'm getting real sick of all this nonsense, SMBS"
by AmordiusXIII October 14, 2021
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A guy: hey you can you send?
a girl: Smb you *********
by JL/RL June 7, 2018
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