The ice cream man's on his Jack & Jill
from Pusha T (Ft. Troy Ave) – Road Runner Lyrics on Rap Genius
Nice wordplay!
Ice cream is used as a homophone;
Refers to the cocaine he’s about to go and pick up at the drop. He’ll mix this with baking soda, thus producing crack (ice cream).
Refers to the clothing he maybe possibly wearing. His good friend Pharrell owns a clothing brand called Ice Cream

Jack & Jill is also used as a homophone;
Refers to the nursery rhyme. He’s going to fetch what he’s after (cocaine). Plus the fact they’re children, this plays on The ice cream man.
Refers to the ice cream company; Jack and Jill Ice Cream from Norfolk, Virginia — this is where Pusha grew up.

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