Added to the end of a word to make a singular possesive (or sometimes a plural possesive with words whose plurals do not end with S, such as people) or a contraction with "is" or "has". Poorly-educated people/foreigners tend to use it for plurals and verbs, but that usage is incorrect.
-Correct-
Bob's cat is black.
Bob's going to the store.
Bob's gone to the store to get his cat some food.
------------
-Incorrect-
Cat's are fluffy animals.
Bob has a cat that overeat's.
by GastonRabbit October 19, 2004
Get the 's mug.
How the grammatically-challenged make a noun plural.
by Ollie the Dog December 28, 2004
Get the 's mug.
Shit, Shower and Shave - Used to indiate that you will be getting ready for work or out for a night on the town.
1. Dude, I'll be there in an hour. I just need to finish my (three S / S S S) regimen.

2. I'll be there before the game starts. I just need to Shit, Shower and Shave.
by Jeff Mahoney December 31, 2005
Get the S S S mug.
I'm gonna go S, S, & S.
by Rob Maine September 19, 2008
Get the S, S, & S mug.
(noun) "Shit and shower"

The act of taking a shit then taking a shower immediately afterwards.
"Dude, I took an amazing S&S last night. It felt incredible."
by BrianPeppers19194 June 24, 2009
Get the S&S mug.
A term used for snapchat standing for “streaks and story.” One used it when they send something, usually a message, to both their streaks and their snapchat story.
Logging Out S+S

“Come hang out at my house S+S”
by •MediaMaster• January 29, 2018
Get the s+s mug.
Shack and snuggle, a girl/guy who only sleeps over but doesn't do anything sexual.
by Sleeping_panda May 19, 2010
Get the S & S mug.