look up any word, like donkey punch:

1 definition by Sam Steinmetz

Abbreviation for God Forsaken Monday. Used in a manner similar to SOL, Where the letters are all pronounced individually and not together as a word.
Employee 1: How was work today?
Employee 2: Shitty, but what can you expect it is GFM.
Employee 1: Oh Yea, I hate GFM!
by Sam Steinmetz August 07, 2008