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unwelcome guest

A synonym for 'asshole'. He/She disturbs your mental peace, is one of the main reasons why you have lost your faith in humanity, and might be the reason why you end up going to jail convicted of murder.
"I wanted you to know that you are an unwelcome guest, and the sooner you leave lesser the chances of you being hacked to death."
unwelcome guest by Shrutz March 12, 2015

harassment by unwelcome advertisement 

The legal name for the "moderate misdemeanor"-level crime of causing someone to be deluged with junk mail. Often performed by a disgruntled acquaintance of said individual as a way of getting even with the person for a perceived wrongdoing, and usually accomplished by "anonymously" contacting multitudes of businesses/organizations by phone/fax/email and/or responding to paper/internet junk-mail ads that you yourself receive by filling out the advertisers' response-forms in your victim's name, so that he will soon begin receiving tons of useless crap in his mailbox and/or e-mail account, receiving innumerable telemarketing/sales-calls, getting loads of junk-faxes (which of course will create the added headache/expense of his having to buy more paper and ink for his machine from its dutifully printing out all those useless ads!), having salespeople knocking at his door at all hours, etc.
Another sometimes-effective/successful use for harassment by unwelcome advertisement is to pressure the "targeted" person to do something you want (think, the hilariously-infamous "Taliban Hotline" animated cartoon); extra points if you also choose the types of advertisers --- and your method of sending the ad-responses --- strategically, so as to inflict maximum discomfort/humiliation on your victim, such as requesting info/offers from controversial and/or "spicy" organizations like the KKK or "adult" product/literature producers, and sending some of the requests via post card instead of discretely-concealing envelopes, so that every Tom, Dick, and Harry in the postal system is made shockingly aware that this person is apparently interested in these questionable/controversial services.

un~welcome mat 

It's what you put out by your door when you don't want any company. You take the welcome mat indoors.
I was feeling like shit so I put the un~welcome mat out & brought the regular welcome mat indoors.
un~welcome mat by Starchylde May 23, 2016
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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