tgimnf 

Acronym for Thank god it's Monday night football, the use of which will probably earn you a high-five from some college guy who is most likely way to old to high-five.

"Dude, I had such a shitty day. My wife divorced me, my kids took all of my weed, but hey, TGIMNF."

Random Monday:

Guy 1: "Hey dude, some ugly chick wants me to go out with her tonight. What should I do?"

Guy 2: "Just tell her you have an important business meeting at my house."

Guy 1: "Ahh, good plan. TGIMNF."

tgimnf by Stevie Weevie OT October 8, 2010

TGIMF 

Thank God It's My Friday. Expression used by one who takes off work on Friday. As a result, the emotion and joy associated with Friday is experienced on Thursday.

Person 1: You seem unusually happy for a Thursday.

Person 2: That's because I am taking tomorrow off. TGIMF!

TGIMF by Riconator November 19, 2009

TGIMFF 

Acronym meaning:
Thank god its motha fuckin friday!

I worked so hard this we and TGIMFF, i was gonna cut someone.

TGIMFF by yargggg July 31, 2009

TGINF 

An Acronym meaning "Thank God It's Not Friday", to be used whenever any song begins to play that is NOT Rebecca Black's train wreck "Friday."

Who cares if he's blasting Ke$ha, just TGINF

TGINF by Toastmaster1230 April 7, 2011