shank jar

Used as an insult, meaning someone who is so dumb it is painful

dumb person: you are so stupid
smart person: omg shut up you fucking shank jar
dumb person: what did you just call me

poop in a jar

When you poop in a jar and shake it around and drink it like a smoothie

My girl made me a poop in a jar last night that shut slapped

Onion Jar

That guy who knows absolutely everything yet lacks any ability to apply said knowledge. He can tell you everything about the processes gone into making the glass jar, how many onions the jar contains, chemical composition of the pickling vinegar, what type of onions they are .... yet has the complete inability to take the lid off.

"Here Jeff, that new project manager is a right ONION JAR, hadn't got a clue which way to turn the spanner to undo that nut!"

Bean Jar

Alternate name for the female gentalia.

''Dude, I totally put my Pork Sword in her Bean Jar...''

jar pause

Waiting to drop money into a tip jar until the person/people you are tipping are looking on, thus ensuring they witness your act of generosity. Not to be confused with "jar paws".

"The cashier had her back turned when I took out my tip money, so I totally jar paused."

yum yum jar

Any type of glass jar to keep your weed from stinking up your room. Typically made from any type of food jar such as jelly or pickles. You can use a mason jar but using a food item is just more fun.

Friend: Bro wtf are you doing with that jar of pickles?
You: It's my yum yum jar , can't let my old lady smell my loud

You: Don't throw out the jelly ma!
Mom: What the hell do you need it for?
You: Yum Yum jar you wouldn't understand

Pickle jar

A Jar full of female pleasurable succulent pickles

The Pickle jar is a way to pleasure women or enjoy with your tuna sandwich from Panera