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The boy you see on the subway or on your way somewhere but know nothing about him but some quick eye contact makes you believe that for some reason he’s the "one" but don't talk to him and then walk past each other and never see each other again.
Girl 1: omg I just saw my husband!!!
Girl 2: well did u talk to him
Girl 1: nope he’s a ghostboy, I fucked up :(
Girl 2: he would only exist in your fantasy’s </3
ghostboy by th3_shredder January 21, 2020
A significant other you only meet to have sex with. It's called ghostboy because you only see them when they're under a bed sheet and go though your walls, just like a ghost.
I swear I fell in love with a ghostboy.
ghostboy by AddiVF June 3, 2018

Ghostbook 

The elusive world of people who join Facebook, add many Friends, but then don't post their status or comment on others' activities.
S/he has more than 1,000 Friends, but I never see anything from her/him. S/he must have died and gone on to Ghostbook.
Ghostbook by The Sausalito Samurai November 2, 2009

Ghost Box 

In order regain an already used Red Card (see Red Card) one must drink and entire Box of piss without being caught by a flat mate.

A Ghost Box must be completed between the hours 7am - 10:30pm and not on a Saturday or as pres for an event.
Fuck bro Alex and George just completed their Ghost Box and now we have to piss up.
Ghost Box by Red Card jesus May 25, 2021

Ghost Box 

Wal-Mart often leaves ghost boxes behind when they build Supercenters in favor of the smaller stores.
Ghost Box by New English December 20, 2008
The dead bitch on the dsmp who collected a lot of totem of undying and then died cuz he only had one life and he doesnt remember how he lost his other ones
Tommy: Do you go by Ranboo? Ghostboo feels more fitting, you just kinda...

Ghostboo: Or you can just do like “Boo”, it’s a nice little ghost pun there, I’ve been thinking—

Tommy: Well, yeah, I uh, I’m maybe not gonna call you my boo, Ranboo.

Ghostboo: That’s actually very fair. That is, you know what? Touché, touché
ghostboo by UGGGGGGGHHHHH December 9, 2021
More from Urban Dictionary
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
Word of the Day on October 8, 2026

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
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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