1 definition by dirtieedee
Acronym meaning "Chuckling To Myself". Can be used in internet environments to describe the sensation of quietly laughing to a particularly amusing stimulus. While "lol" (acronym of Laughing Out Loud) is used as a filler or placeholder, and often does not equate to joy and laughter, "ctm" is used when you wish to express that odd sensation when you indeed chuckling (or any variation including snorting, giggling, or full out laughing) to yourself.
Caiti: i woke up in physics class. i dont take physics. i had a handout on my desk and everything
Dan: ctm. you need to keep your dysfunction to a minimum.
Dan: ctm. you need to keep your dysfunction to a minimum.
by dirtieedee March 5, 2015