And I bought them twins with me nigga, click and clack,

from Lil Wayne – Tunechi's Back Lyrics on Rap Genius

Meaning

Wayne decide to name his two mac-10’s referred to earlier — Click and Clack, which are also the sounds a gun makes. But he is also referring to Click and Clack who are real people, whose given names are Tom and Ray Magliozzi.

They have a radio show on NPR called Car Talk, where they allow people to call in and discuss their automotive troubles, which they then solve.

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