What does OSIF mean?

Oh Shit, I Forgot



Other definitions of OSIF:

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How to use the term OSIF:

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More slang terms:

YOYO

YOYO

Slang A stupid or objectionable person

BBIAM

BBIAM

Be back in a minute

IKYP

IKYP

I'll Keep You Posted

FLCH

FLCH

Feels Like Coming Home