What does UIN mean?

Unique Identification Number



Other definitions of UIN:

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How to use the term UIN:

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


More slang terms:

IDLYITW

IDLYITW

i don't like you in that way

GYFO

GYFO

Get Your Fanny Out

OCT

OCT

On Company Time