lum 

Scots word for Chimney or flue,allows the reek to exit a house!

Santa Clause is comin
He's comin doon the Lum!
Ye Better Pit The Fire oot!
in case he burns his Bum!

lum by Alba gu Brath July 4, 2006

lum 

19-20th century vernacular for the vagina. A 'lum' was initially a slang word for the flue that drew smoke from an open fire up to the chimney on the rooftop. Lum as a slnag term is quite popular with women of a certain age and social background.

Ah'm goan away tae Benidorm tae get ma auld lum swept by they spanish waiters!!

lum by Skirtlifter January 10, 2005

Lum 

Acronym for Laughing Under Mask. Originated during 2020 coronavirus pandemic when wearing mask became commonplace. Use like LOL

“OMG LUM, that was hilarious!!”

Lum by Thetigergirl November 26, 2020

Lum 

LUM or Lum stands for Lazy Useless Motherfucker, someone who is lazy & useless during work or in general

At work Bradley is a Lum. OR That guy is a Lum he never does anything, What a Lum

Lum by Skitty54 June 25, 2009

Lum 

Lum is the name giving to a boy named Callum if he is a friend of a girl called Bingbing. His friends will start calling him Lum/Llamalashes/Calcilum and eventually, he will get stalked by the girl. He is not very popular but has fan accounts.

Lum get over here

Lum by TwinSync March 13, 2019

lum 

Acronym for "love you much"
Sent in a text/tweet/email to someone you care for.

ttyl, lum

lum by lite1700 September 4, 2011

lum 

when someone has no definition of their bum. i.e a flat bum. when their bum and legs appear as one.

"omg that girl over there has got a proper lum"

lum by jermimah March 22, 2012