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:

OHKO

OHKO

One Hit Knock Out

PIAV

PIAV

Personal Interests, Attitudes and Values

WC

WC

Who Cares

LMFFO

LMFFO

Laughing my f**king face off