I get up in her body, I'm kind of like a coach, boo
Mami feeling proper, body's moving like it's supposed to

from Jamie Foxx (Ft. Busta Rhymes, Lil Wayne & T-Pain) – Blame It (Remix) Lyrics on Rap Genius

Meaning

An analogy of how he gets inside her during sex and how a coach gets in people’s faces. Now that she has had him (alcohol) inside her she’s dancing proper.

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