TM 

A TM is short for Trouble Maker, In the car business this is to describe people who show up on the lot with absolutly no intention of buying and to just cause trouble.

Those fucking TM's made me waste 2 fucking hours with them, I knew they were TM but the owner made me go say hi.

TM by thewideguy November 15, 2009

TM 

an abbreviation of the nickname tits maghee. Commonly used as an abbreviation to appear as an appropriate nickname when said in public. The bearer of this nickname most likely has very large, beautiful breasts.

Jack: "Hey TM! You've got some big ass boobies."

Sarah: "Hahaha. Oh Jack, you're so silly."

TM by JLangley95 December 9, 2009

Tm 

a short way of saying tomorrow

kristine: bring me my stuff tm
cath: okay i will

Tm by mocey February 7, 2022

TM 

TOO MUCH. Used to describe a person that takes anything too far. It could be a horrible oufit, a bad joke, a come on, or just an annoying person that is constantly being a pest.

JG never knows when to shut his trap, he is TM!
Courtney sometimes drinks TM and gets aggressive.
Kel never knew you could take TM fiber pills, she learned that lesson the hard way.
Jill might as well marry Dagney Taggert, her love for Atlas is TM!!!

TM by Annied81 April 11, 2007

TM 

Trademark, ™

Urban Dictionary TM has a lot of definitions.

TM by Saetern June 7, 2018

TM 

A french abbreviation for “ta mère” (your mom)

Also used to respond when someone insults you

Men: F*** you
Other men: TM

TM by Cheddar_boi69 November 27, 2019

Tm 

A term usually used in a game called RuneScape, describing a good/win person

Idiot 1: wow did you see that tm guy
Idiot 2: yeah he was fucking ownage

Tm by xtmx5 December 31, 2009