When semen is allowed to dry and harden inside the ass after anal intercourse, gluing the orifice shut and forming a seal.

Stands for "Jizz in the Butt" Weld
I had sex with this girl the other day. But she was being a total bitch, so I JB welded her ass shut.
by BCracecar December 15, 2012
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Professional Bull Rider, 2x PBR World Champion, doesn't give two fucks on what you have to say
"That JB Mauney is one- rank son of a bitch."
by BillyTheBull January 29, 2021
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A school in the south that is full of stereotypical cliques.
You go to such a basic school, it has to be JB Martin
by L71 March 7, 2018
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Sometimes a games developer/design team member gets overly self conscious about whether content they have created for a high profile game is appropriate for the audience. This causes a mental state similar to manic depression wherein the developer alternates between being excited and proud of their work and weeping quietly in a corner whilst chewing their shoes. This repeats several times on a daily basis from roughly halfway through development until the game is released to the public and is known as the 'JB wobble'.
"Dev(a) has a minor case of the JB wobble."

Dev(a): "I've finished the character models and animations for the cybernetic attack foetuses, they're looking sweet!"
Dev(b): "That's great, I love the way their umbilicals trail behind them!"
Dev(a): "Kind of graphic isn't it? you think we can get away with it?"
Dev(b): "Sure, it's thematically appropriate."
Dev(a): "It'll look fantastic when you strangle them with their own cords, man I'm stoked!"
Dev(b): "Should work great with the blood particle effects."
Dev(a): "It's gonna get an M rating, no one will buy it, germany will probably ban it outright - this could be a mistake."
Dev(b): "It'll be fine, we can add a gore toggle for germany."
Dev(a): "Sweet! oh man, it's so wrong, I'm going to hell, we're doomed, it's going to bomb so bad."
Dev(b): "Look, will you just quit worrying? No-one's gonna be offended by cyber foetuses in this day and age, and anyone who is will be too distracted by the main character's rotating laser nipples to notice."
Dev(a): "You're right! laser nipples! BEST GAME EVER!!"
by Harold Harcourt March 20, 2009
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The Jb virus is a highly contagious disease which effects the brains ability to defend itself. It will give you periotic spasms of down syndrome, and forcing you to dive further into insanity.
It will get worse with time but to cure it you simply need to get out of the radius of the nearest frys food and drug store.
I'm blocking you because I have the jb virus.
Get away from me or I'll pinky you in the butthole!
by Hawk333 January 17, 2022
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Receiving a blumpkin while consuming venison and patron.
I was so wasted I actually had a JB blumpkin.
by Don Keibols April 14, 2009
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having the same type of hairstyle as the fake plastic Jonas Brothers. In the style of shortish long with a sweep over the eyes.
Example 1: "Did you see Amy, she's got JB hair"

Example 2: "OMFG. JEJE, WHY DO YOU HAVE JB HAIR? CUT IT CUT IT."
by Victoria Mckenzie January 28, 2009
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