Wondering if anyone can translate the opening words of Kendrick Lamar's Backseat Freestyle: Kendrick Lamar - Backseat Freestyle (Explicit) - YouTube

It's the bit that sounds like 'arenkiki arenkiki'. The sample comes from a 1970's song by The Chakachas called Yo Soy Cubano and you can hear it at about the 1:15 mark: The Chakachas - yo soy cubano 1970 - YouTube