What does OSO mean?

Other Significant Other

OSO

Other definitions of OSO:

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How to use the term OSO:

There are no example uses of OSO at this time. We would greatly appreciate your contribution if you would like to submit your own!


More slang terms:

H2G

H2G

Honest To God

SH

SH

s**t happens

GIMF

GIMF

Google It Mother Fucker