"Down to match", referring to be able to match with someone else on a blunt of cannabis.

Having $5 and wanting to be high.
E-"yo, are you DTM after school?"
S-"I don't know man i'm riding my horse after school."
E-"....."
by dtmman420 May 15, 2009
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*picks up book sets it in locker* *take book back out of locker* Me: Wow Drew you are DTM!
Drew: Aren't I always?
#LNCGSchwagg
#Swagglets
by MahogzMiller September 30, 2011
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DTM:( acronymn) Dead to Me! When a person or thing is no longer in a persons area, or when a person is all set with said person or thing, they are DTM.
I can't believe that bitch was talking shit about me....Shes DTM!
by Devon Carriere November 4, 2006
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Acronym meaning "Do the math"

Usually used when a person starts talking about lots of numbers and expects the other person to figure out what it means on his or her own.
Jim: Dude why aren't you doing anything?

Bob: I'm downloading 5 different 150 megabyte files simultaneously at under 500 KB/S. Dtm.

Jim: Sucks for you! Get better internet.
by Wurmish May 3, 2011
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DTM means "Don't tell Mom!" A quick way to remind siblings that what you are sharing isn't for Mom to hear. DTM is most often by teenagers as well as adults to conceal activities or feelings from the likely disapproval of Mom. Easy to add at the end of a text and gets the message across.
Karen: "Mom wants me to go antique shopping all day in Sonoma. I'm on the fence. I'd go but only if you go... oh and DTM"
Beth: "Ya, I'm not gonna go. I'm telling Mom I'm sick! DTM either!"
by Funny Moms January 24, 2015
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Deutschen Tourenwagen Masters

Refers to German made automobiles and market. Commonly used acronym in the street racing scene vs. JDM (Japanese Domestic Market)
That BMW M3 is DTM! Performance is so much more better than that Acura.
by Eric March 3, 2005
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