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:

GKW
God Knows What

ALOT
a lot

KISS
Keep It Simple, Stupid

P2U4URAQTP
Peace To You For You Are A Cutie Pie