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:
Rolling On The Floor Laughing My Ass And Other Body Parts Off
FHITP means Fuck Her In The Pussy. Mostly used by guys
On the ground laughing