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

ADGTH
All Dogs Go To Heaven

SBTA
Sorry, Being Thick Again

RAR
File compression type

WDMB
Will do my best