horse jar 

When a guy and a horse cum in a jar and make a girl or a guy chugs the jar.

Jimmy and Crow cum in the jar and mix it around and make the wife jane drink the horse jar.(crow is the horse)

horse jar by Horse Jar Man August 8, 2017

jam your jelly jar 

An invitation and/or proclamation to have sex with someone.

Gee Mrs. Crabtree, I'd love to jam your jelly jar!

jam your jelly jar by BetaRiffs June 15, 2017

The Pickle Jar Effect 

The effect that happens when a girl refuses to have intercourse with one partner. Then with the next partner finally, and often easily, has intercourse for the first time.

Example: kinda like how someone is struggling to open a pickle jar.

Guy 1: dude did you have sex with Tiffany last night?
Guy 2: no, she wouldn’t let me.
Guy 1: oh, sounds like The Pickle Jar Effect.

The Pickle Jar Effect by The Bedtime Thinker February 7, 2018

Platonic Cum Jar 

When a person has been shrunk down to a small size, their friend will put them in a Platonic Cum Jar (PCJ) for safe keeping

“I saved his life, if it weren’t for my Platonic Cum Jar, someone would’ve stepped on him”

Platonic Cum Jar by DonkeyKill July 31, 2021

75 year old peanut butter jar in the back of the cabinet 

the jar of peanut butter at the back of your cabinet that you forgot about

bro why is there a 75 year old jar of peanut butter in the back of my cabinet, wait, oh i was trying to make a 75 year old peanut butter jar in the back of the cabinet.

75 year old peanut butter jar in the back of the cabinet by snekster69 April 29, 2022

mason jar 

A. A jar for masonry

I hold my masonry in my mason jar.

mason jar by Me November 20, 2004

hitting the jiff jar 

When you engage in anal sex and when you're done you pull out and find fecal matter on your penis.(Jiff as in the peanut butter.)

"Last night I was hitting the jiff jar on my girl."

hitting the jiff jar by Mophis March 13, 2008