maflitifsbnnjfshbs mm

the initials of Tyler, The Creator's freestyle on Hot 97.
it goes like:
Me And Flex Looking In The Index For Buff Net Niggas Just For Some Hot Butt Sex, mm

Rando: Hey, you heard that Hot 97 freestyle?
Rando 2: Oh, maflitifsbnnjfshbs mm?
Rando: Yeah, that one!
Rando 2: Woah... what a genius he is