look up any word, like blumpkin:
 
1.
An abbreviation for "too slang for me" used when an individual does not understand what someone else is saying due to the use of unfamiliar slang terms.

An alternative form is simply "ts" for "too slang."
A: "She be mirin dawg."

B: "Mirin? tsfm."
by shyboiz April 26, 2013