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1.
JTM
JTM is short, text-messaging speak for: je t'aime ("I love you" in French).

This is popular in texting culture in French speaking countries.
Dan often sends his girlfriend, Michelle, a quick "JTM" text when he thinks of her during the day.
by gtbarry February 04, 2009
 
2.
JTM
Acronym for "Just Too Much"
person 1: "Have you ever seen that 1 man 1 jar video?"

person 2: "Yeah man... I'd like to un-see it. JTM."

person 1: "WayTM"
by samclam February 23, 2011
 
3.
JTM
Je t'aime
I love you in french
Hey, what's up?
ILY!

JTM!
by VDM!!!! September 28, 2009
 
4.
Just to make sure. It's usually used for intanst message.
you will be there at 10 right? JTMS
by phap October 13, 2006