TGIFint.adj.
/ˌtiːdʒiːʌɪˈɛf/, U.S. /ˌtiˌdʒiˌaɪˈɛf/ colloquial.
A. int.
‘Thank God it's Friday!’; expressing relief, celebration, excitement, etc., that the working week is over and the weekend has begun.
ΚΠ
1940 Le Mars (Iowa) Semi-weekly Sentinel 18 Mar. 2/3 The Le Mars teachers say ‘TGIF’ at the end of the week.
1952 N. Lester Stranger in Angel Town iii. 45 He poured full glasses all around, waved his glass high in the air, and said ‘TGIF’.
1988 R. B. Parker Pale Kings & Princes ix. 63 TGIF. Except cops don't quit for the week at five o'clock Fridays.
2015 P. Hawkins Girl on Train 12 It's Friday, so I don't have to feel guilty about drinking on the train. TGIF. The fun starts here.
B. adj.
Designating a social event held to celebrate the end of the working week and the beginning of the weekend. Also: characterized by relief that the working week is over or excitement that the weekend has begun.In quot. 1941 with reference to a university club that marks the Friday before important football games by meeting to sing collegiate songs in support of the team.
ΚΠ
1941 Portsmouth (Ohio) Times 14 Nov. 17/4 A typical meeting of the TGIF club goes something like this.
1959 Daily Texan (Univ. Texas, Austin) 20 Nov. 7/5 Friday. 5-7—Phi Gamma Delta TGIF party.
1974 Afr. Arts 7 1/1 In that mood of TGIF relaxation we contemplated life past-present-future.
2003 Herald (Glasgow) (Nexis) 10 Dec. 44 Kay particularly enjoys cooking TGIF meals for friends and is delighted with the kitchen layout.
2011 D. Walsh Remembering Christmas xliii. 219 He hoped Mr. Rainey might be in a TGIF mood.
This is a new entry (OED Third Edition, December 2018; most recently modified version published online March 2022).
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int.adj.1940