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When someone is completely wasted and are acting in an embarrassing manner and no one likes to be around them. They usually appear unattractive to everyone else except themselves and usually think they are really talented dancers. They are also prone to barfing. A fat mess is NOT a hot mess OR a tranny mess OR a hot tranny mess but they think they are.
"Michael-Ryan was a giant fat mess last night after he drank way too much before 9pm...then he thought he was a really good dancer and got kicked out of the bar cause he really wasnt"
Fat Mess by hansies April 1, 2009
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These type’s of people are usually found in the wilderness for e.g. among the trees in rivington skinning rats/ beavers in their spare time. Basically they are socially challenged and normally look severely like a pig and just a fat ugly mess.

“Rob”: alright mate can you help me skin some rats tonight?.

“Mike”: erm no don’t talk to me you fat mess!...
Related Words
fat-mess Fat fat ass fat fuck fat-e Fat Bitch fat cunt Fat Joe fat boy fat cat
generally used in reference to fat ugly unkempt women
look at that munter, shes a fat mess
fat mess by farm September 1, 2006

fat-mess 

a big fat person who is ugly and has a neck like a pack of sausages
fat-mess by walshy December 18, 2004
Is used as a substitute for swearing and insults.
You're a fatmess or Oh fatmess I just stubbed my toe
fatmess by Awesome-Pants May 19, 2006
used in place of potential swear words. Or used in the name calling process.
Oh man I stubbed my toe...fatmess!

I'm an idiot? Well you're a fatmess.
fatmess by Awesomepants May 18, 2006
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