What does TSIF mean?
Thank Science It's Friday
Other definitions of TSIF:
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How to use the term TSIF:
There are no example uses of TSIF at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:
RIFK
rolling on the floor laughing
CACHAI
Do you understand
HT
Heard Through
A&F
Always And Forever
