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1 definition by Red Bec

CTM is an acronym for "Chuckle To Myself", used in text/internet language and now spilling into current usage. Used when a comment brings about an amusing mental picture in the listener/reader. Origin - SE Qld, Australia.
Friend texts you - "just saw a man sneeze out his false teeth.."
*creates instant mental image which gives you a giggle on the inside* you respond "ctm"
by Red Bec April 22, 2011