Let me sit this ass on you, show you how I feel
Let me take this off, will you watch me

from Beyoncé – Rocket Lyrics on Rap Genius

Meaning

This whole verse is about Beyoncé giving her husband a lap dance. We know for certain that she indeed can dance.

Beyoncé has described this before in Dance For You:
http://youtu.be/PGc9n6BiWXA

Queen Bey alternately sings “Let me sit this back on you…” in the accompanying video for Rocket.

To help improve the meaning of these lyrics, visit “Rocket” by Beyoncé Lyrics and leave a comment on the lyrics box