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:
SBID
Sometime Before I Die
OHKO
One Hit Knock Out
BDBY
Bad Boy
FINO
Failure Is Not an Option
