The best way for someone to grade titties.
Size, Shape, and Nipple.
Arguably the three most important things a titty brings to the table.
The SSN method of grading boobs is the best method to date due to its reliability.
by Zack_M18 July 15, 2021
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United States Navy hull classification number for nuclear powered attack submarines. Meaning Submersible Self-propelled Nuclear.

The Navy's newest nuclear submarine, the USS North Carolina, has the hull number SSN 777.
by 7h0rn3 May 12, 2008
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Syrup Sippin Nigga.
One who Sips Syrup.
Syrup being any Prescription cough syrup.
containing Promethazine or Codeine.

The Female version would be

SSB which means Syrup Sippin Bitch.
Ima SSN, PPA (pill poppin animal)
Or how Lil Wayne says "Ima Syrup Sippin Nigga"
by DattKiddMark March 18, 2010
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"Saturday Steak Night". A adult party when you have friends over all knowing at some point everyone is going to get naked! Must be a Saturday night. All must be naked at some point of the night. And the rest you make up as you go!
"Hey everyone, SSN party at my house...Woo Hoo!!!"
by RAMMAN949 July 25, 2006
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Commonly referred to her nuke-trained crew as meaning "Saturdays, Sundays, and Nights", actually means "Submersible Ship, Nuclear". A ship designation for a fast-attack (hunter-killer) nuclear powered submarine.

Nuke: Friggin' 3 section duty on an SSN sucks! Another weekend ruined!
Coner: Tough shit. I'm off all weekend.
Nuke: No you're not, you're staying here to qualify, little nub bitch!
by Running Dog January 23, 2009
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