It’s the abbreviation of the Yoruba "Oko mi le", which means my penis has gone hard. Used as an exclamation for when you’re in awe of something or someone, or when an action gets you excited.
Guy 1: How did you see Kai’s performance?

Guy 2: It was the best show of individual brilliance I have ever seen. OKML!
by kushmoore March 13, 2021
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