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A person who is being particularly idiotic. Can also be used to describe someone whose behaviour is generally deemed ‘not okay’.

Almost always preceded by either the word ‘absolute’ or ‘complete’.
No one cares, you absolute mongbean!
mongbean by runnerbean November 9, 2021
Related Words
slick sexy salesman...or more commonly known as cheesepuff
at the end of the evening he became a sexy mongbean
mongbean by Lady K October 19, 2003
Name given to a rather sad little boy who has an unhealthy obsession for bowling pins and their many uses.
Oh, Your such a Mongbean!
Mongbean by Stef May 5, 2004
Formally known as Trevor Chie, Mongbean has a bukakke face problem where people find it necessary to Mazz on his face. So from this day forth, all people who have a problem with randoms Mazzing on their faces should be known as Mongbean.
Someone just mazzed on his face, he's such a Mongbean!

bang a you-ee 

of Massachusetts orig. "to make a u-turn"
hey, we missed the bar, bang a you-ee
Word of the Day on July 19, 2026
The word 'flag' as pronounced by people with thick Belfast accents. The term is a perfect encapsulation of the disproportionate and overblown reaction to the removal of the Union Jack (as in 'de fleg') from above City Hall in Belfast. Where previously it had flown for 365 days per year, it is now flown on 17 designated days of the year - in line with many other British cities.

The event caused a portion of the Protestant community ('fleggers') to make international pricks of themselves as they proceeded to wreck the fucking place, claiming it was another erosion of a 'British' identity they perceive to have been under attack since the horrifying spectre of equality reared its head in Northern Ireland.

The word 'fleg' - and indeed 'fleggers' - fittingly describes a section of humanity unconcerned with knowledge, reality or the vagaries of the English language. Like America's tea-baggers they are ruled by instinct, fear and paranoia with a side dish of rampant bigotry and startling ignorance of the world around them.
"Wat de fuck like! The taigs got de fleg took down! Let's wreck de fuckin place! No surrender!"

"De fleg has been took down! Before ye know it there'll be a united Ireland! Attack Short Strand! God Save The Queen!"
Fleg by OnionFleg August 9, 2013
Word of the Day on July 18, 2026