Abbreviation of not mad, with the tone indicator format of slash-prefixing set by the earlier /s (“sarcasm”).
/nm
- (Internet slang, tone indicator) Denotes that the writer is not mad or otherwise upset.[1]
- ^ Ori Manor Zuckerman (2021 October 8) “Council Post: The Importance Of Subtext In Digital Communications”, in Forbes[1], retrieved 2021-10-12
