Details: This poster is a mock fight ad in red. It says: Big Boobs And a Tight Shirt (Champion and Still Undefeated) vs Brains For, like, Talking and Stuff (The Challenger). Warm-up bouts include: Butt vs Personality, Nymphomania vs Sense of Humor, Lust vs Love. An Internal Conflict Taking Place In Your Mind Every Weekend.
Brains is figuratively used to indicate intelligence. A fight is a conflict between two or more persons or organizations. A champion is one who has repeatedly come out first among contestants in challenges.