Nod your head, make a face like you sitting on the toilet and it's real hard to crap shit

from Slaughterhouse (Ft. SLV) – Who I Am Lyrics 1 on Rap Genius

In hip-hop, a sign of approval is often displayed via grimaces of agreement.

Joell’s music makes you knod and think, so therefore the faces you make might resemble a constipated person on the toilet.

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