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1.
Entry: T·G·I·(A)·F
Pronunciaton: ('tE 'jE 'I 'A 'ef)
Function: verb, noun, pronoun, adjective, adverb, preposition, conjunction, interjection, phrase, exclamation whatever the heck you want it to be

Definition: "Thank God It's (Almost) Friday"; usually in reference to a Thursday or other day right before Friday.

Alternate forms: TGIF

Usage note: this acronym should not be thrown around in every situation possible; use strictly for situations of frustration and desperation for the weekend.
Joey: So how was your week, Joseph?
Joseph: Holy shigamo this week was hecka sucky. I had a gazillion tests and quizzes and projects!
Joey: Jah life is tough mang, but TGI(A)F
Joseph: ...
Joseph: wtf, it's only Sunday night
by kpmandookid March 15, 2006
 
2.
1. acronym for "Thank God Its Almost Friday", word is only usually used on thursday.
hey Craig guess what?
What?
TGIAF!!!
by Nick Wawee October 25, 2007