It's like that and as a matter of fact (rat-tat-tat-tat)
Cuz I never hesitate to put a nigga on his back

from Snoop Dogg – Who Am I (What's My Name)? Lyrics on Rap Genius

Meaning

Dr. Dre — the producer of the entire album — gets behind the mic briefly to harken back to “Rat-Tat-Tat-Tat” off The Chronic.

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