Jum Knucker

Someone who's pretty lame. Not cool.

Dude: "Hey who switched on me?"
Woman: "Oh, it was Oliver."
Dude: "Ugh, what a friggin' Jum Knucker."

by crayonpuff March 5, 2022

Jum

A derogatory term, akin to "gooner" or "beta", which insults a person based off the assumption they cum in jars. Can be used in multiple contexts such as a noun, verb, etc. (Jum, Jummed, Jumming)

"You're a sub-5 beta jummer."
"Hold on I'm jumming."
"I'm gonna jum."
"I jummed."

by 16lol May 18, 2024

jum

basically, cum, but thicker.

i love this jumming sensation

by jummer69 December 14, 2021

Jum

A person riding an electric scooter going into on coming traffic while jerking off.

Immense energetic outburts.

“Omg I just spilt my Jum”
“YOU have just been JUMMED”
“I went to the doctor because I couldn’t Jum”
“I love a good Jum”
“I have never been able to Jum”

by Salusalusiva September 26, 2024

Jumming

The act of manipulation of a flaccid penis, colloquially known as “beating your meat soft”

I can’t get up, but we could have jumming sesh if that’s ok?

by MysteryGuy108 June 29, 2024

Jum

Jum is a type of drug usually used while going to the bathroom.

Yo bro, can you gimme jum?

by rickylol June 6, 2022

Shlum jum

Referring to marijuana (aka pot) dab, it is oil which is lumpy and out of place. Some might even say it doesn't make sense why it ever took the form it did, but then again isn't dabbing an art?

Look at that shlum jum on the end of that braided dab.

by Shlumjum September 5, 2018