I got some pussy that was insane, so insane, it's an enemy of Batman

from Childish Gambino – Freaks and Geeks Lyrics on Rap Genius

Meaning

Specifically, this is a play on words about the kinky sex he’s had, which he personifies as “Catwoman” (a crazy pussy…cat).

A lot of Batman villans had mental issues.

Also, in community season 3 episode one — Gambino (who plays Troy Barnes) says to Britta when she spoils Abed’s show that she along with other things is ‘the opposite of Batman’

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