Funkmaster Flex lost it on Bow Wow during a recent show of his, shortly after the two had a heated back-and-forth on social media.

It all started when the Hot 97 DJ said that Mr. Shad Moss was on the top five worst rappers of all time list, and that his music was nothing but "trash." Afterwards, Bow said Flex was too old to have such opinions and should walk away from the station and let a younger person come in to spin records.

That angry exchange led to Flex's recent response, where he blasted the former 106 & Park host during a Murda Mook freestyle, and he also mentioned Lil Yachty.

"That's called motherf------ bars, n----," screamed Flex. "You know nothing about that. You know why? Because you a mumble rapper, Bow Wow. A mumble rapper. Lil Yachty, you don't want nothing too."

For now, neither Yachty or Bow has responded to the Bronx native's rant (Yachty has been using his Twitter following to call on donations for a family friend who is battling stage 4 cancer). But the New York DJ's comments made Twitter react pretty swiftly, and you can see some of those responses below.

What’s Beef? 10 Hip-Hop Twitter Feuds