What does 401 mean?
Area Code for Rhode Island
Other definitions of 401:
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How to use the term 401:
There are no example uses of 401 at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:

WYM
What You Mean

DBG
Don't be gay

HIT
Hang in there

LU2B
Love you too baby