Listen to the way I slaaaaay, your crew
Damage [UHH] damage[UHH] damage [UHH] damage
Destruction, terror, and mayhem

from LL Cool J – Mama Said Knock You Out Lyrics on Rap Genius

Meaning

LL will damage and slay your people with his lyrics.

The repetition of “damage” part is to simulate Atari fighting games. When you got hit the machine used to play a “damage” message

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