Flem 

A common idiot misspelling of "Phlegm", which is "a thick, sticky, stringy mucus produced by the respiratory tract, usually as the result of irritation, inflammation, or infection of the airways."

Dude, bro, I'm coughing up so much flem today.

It's 'phlegm', you imbecile.

Flem by LadyByrd September 22, 2010

Flem 

When your cough is chunky

Person 1: “Wow I have quite the flem build up!“

Person 2: “Go get rid of it in the water fountain.”

Flem by Red_cinchilla May 20, 2020

flem 

british word for spit

*hwaaak* ptt

flem by Biggin hill - Pikey country. April 5, 2003

flem 

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ting som flem er

flem by kevkjaer April 30, 2022

flem 

a fat beotch

look at that flem

flem by hahah March 23, 2004

flem 

when you smoke and your spit goes all thick and horrible so you spit it out or when snot goes into your spit.

i've just had a fat joint so my mouth is full of flem

i've got a cold and i keep sniffing and my mouth is all flemy

flem by Alex... March 23, 2007

Flem 

An insult, meaning the same as tight,deep,out of order. Could also be used instead of fuck.

There is no literal translation, but it basically means anything rude.
Would be mainly considered British Slang.

"Flem you Jenny"
"Don't be so Flem"
"You mother-flemmer"
"This is well flem!"

Flem by buttfudger August 27, 2012