What does IUNNO mean?
I don't know
Other definitions of IUNNO:
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How to use the term IUNNO:
There are no example uses of IUNNO at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:
Resting Bitch Face - When you naturally relax your face and your expression makes you look angry, upset or displeased.
if I recall correctly