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Thank Science It's Friday. Used commonly by those who do not believe in God or of higher beings. Rather than saying it is Friday because of God's ways, TSIF says it is because of the laws of nature, and how once every 7 full rotations of the Earth the manmade term "Friday" applies for slightly over 24 hours.
Sam: TGIF
Chris: Bro you know I don't believe in God I'm offended by that statement.
Sam: Oh shit I'm sorry, TSIF.
TSIF by CactusEvergreen November 3, 2017
Related Words
Bro, TSIF!
TSIF by KingBurg January 19, 2021
The system is fucked!
Person 1: You can’t love and marry a person in India.
Person 2: Dayum son! TSIF!
TSIF by pooryogash2288 November 20, 2020
You know about "thank god it's friday" but what about the friendly satanic people out there? TSIF means, you guessed it, Thank Satan It's Friday.
Unholy hell, this was a long week! TSIF!
That snail is fast, that s*** is real or Thanks So much It is Friday
A: what day is today
B: It's friday
A: TSIF
TSIF by AYOWHATTHE March 12, 2021
Q: Have you heard of the new covid vaccine?
A: Yeah. TSIF
TSIF by organic_straight_dude March 16, 2021