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Acronym for "Thank God it's Friday". Used to express the joy one feels in knowing that the work week has officially ended and that they have two days off with which to enjoy.

Is also the name of a block of family friendly sitcoms aired on the ABC network every Friday evening. It was a pretty good block back during the 80's and early 90's when they showed Perfect Strangers, Full House, Family Matters, Hangin' With Mister Cooper, Step By Step, and the ORIGINAL America's Funniest Home Videos (yes, with Bob Faggot) but turned to pure shit towards the end of its more than decade-long run when it decided to run bilge like Sabrina The Teenage Witch, Sister Sister, and The Hugleys.

The lineup was cancelled a number of years back because of its aformentioned shittiness, but has been recently brought back to life due to the incessant complaining due to 80's children such as myself. Unfortunately, the new TGIF will premier with sitcoms even shittier than the ones that killed it off in the first goddamn place.

God, how I miss 80's television.
Bring back Full House! Bring back Family Matters! Bring back Perfect Strangers! Hell, bring back the original AMVs starring that unfunny fuckface Bob Saget! I want my goddamn TGIF back in its original 80's form!
by Ninja Disaster August 30, 2003
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Thank God It's Friday. Meaning finally Friday is here, which means the weekend is nigh
Friday morning, at work, Frank says to Mandy "T.G.I.F"
by Swampdonkey September 13, 2006
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Thank God its Friday. Phrase used by careerists who think the weekend is the only time they can have any real fun.
TGIF. If I wasnt stuck in an 9-5 lifestyle Id realise Monday through Thursday can be just as fun as weekends but I am happy to let the corporations mind rape me into believing I dont deserve to spend most of the week to myself.
by Goth Doll August 10, 2017
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tickling genitalia is fun.

alternative to the more common "thank god it's friday" version of tgif.
Jeff: "oh man this week's been such a work out! tgif!"

Bill: " dude....gross. "
by oh_denyel March 27, 2010
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