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Stands for "I should've been invited". An acronym used to describe excessive erratic behavioral shifts when the offending party is not privy to being invited somewhere due to her ever-sad countenance, overall gloom and perpetual air of malaise.
Scott: "Paul's at the mall, I just had to come back and get something."

Scalene <super off the wall excessively offended with a red face and teary eyes>: "At the mall? I should've been invited."

Scott: "I don't have time for this now." <muttering in orcish; "fcuking ISBI">
isbi by Wooden Shoe Like Two No. September 14, 2007
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ISBI - short for 'I Swear By It' - is more than a recommendation; it's a passionate endorsement of something that's not just good, but life-changing. This phrase combines youthful enthusiasm with deep conviction, perfect for sharing anything from groundbreaking gadgets to inspiring ideas. It's your way of saying, 'This isn't just great, it's a game-changer, and I wholeheartedly stand by it!'"
Okay, ISBI - this memory foam pillow I bought is the real deal. I've never had a better night's sleep.
isbi by hausmeow January 3, 2024

Yufuk Isbil 

Name of a guy who have sex with the icecream van.
Oh my god and yu gi oh you are so wrong, I bet you fuck isbilen.
Yufuk Isbil by Salvager March 1, 2004

isbidkwtdwm 

im so bored i dont know what to do with myself
I have nothing to do isbidkwtdwm, so i will sit here and be bored
isbidkwtdwm by gregormendele June 26, 2012

Thy Dad is bi

Every time this phrase is used, a puppy dies. Noone can resist the power of it, not even the "no u" nor the "ur granny tranny". When used, it unleashes destruction amongst the opposing party, whom the phrase is unbearable to.
You: "ur mum gay lol"
I, an intellectual: "Thy Dad is bi!"

Bill Nye your dog is bi

Phrase used after repeated alterations of "ur mum gay" have been used. Saying this phrase while simultaneously singing along with the theme of Bill Nye the Science Guy results in the God of Gender Judgement,John Cena, to obey 3 requests to permanently change a person's gender, thus never letting anyone identify them as something else again.
"ur mum gay"
"ur ancestors incestors"
"ur granny tranny"
"Bill Nye your dog is bi!"
*Silence Persists afterwards*
"OOOOOOOOO"
Someone who attends the International School of Beijing (ISB).

Used by students of other international schools to refer to an ISB student.
Canada - Canadian
ISB - isbian
isbian by Red Skelly August 2, 2008
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anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
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square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
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