2 definitions by https://yourmom.com
When you’re mad at someone and have no comeback so you say “hMmf”. It can also be used when you’re angry or disagree with someone.
by https://yourmom.com March 7, 2020
When you don’t get your way, someone {disses} you or someone disagrees with you and you’re mad about it. You say “hMmf”.
by https://yourmom.com March 6, 2020