What does IUM mean?

If You Must



Other definitions of IUM:

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How to use the term IUM:

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


More slang terms:

JIC

JIC

Just In Case

LYLABT

LYLABT

Love You Like A Broken Toy

LBAY

LBAY

Laughing back at you