1 definition by @tattooednegm on twitter

stands for "honest to god knock me out"

a phrase created by Ariana Grande via Twitter when something is overwhelming
Ariana Grande is releasing 3 songs this week
June 13: Dance to This - Troye Sivan (feat. Ariana Grande)
June 14: Bed - Nicki Minaj (feat. Ariana Grande)
June 20: The Light Is Coming - Ariana Grande (feat. Nicki Minaj)

"i cant handle all this, h2gkmo"
by @tattooednegm on twitter June 12, 2018
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