Definition of "realest"

The realest niggas say, "Your lyrics do shit for me" / I told my story and made history

2011, “Crew Love”, in Take Care, performed by Drake ft. The Weeknd

You're like the realest person I've ever met.

2013 February 18, Bad Little Boy (Adventure Time), season 5, episode 11, spoken by Marshall Lee (Donald Glover)

I just has a realization, I’m probably the realest nigga rapping

2019, “My Own Eyes”, in Scatterbrain Crackbaby, performed by Big Mont