Characters
Halloween isn't about thrills, chills, and funny costumes; it's about getting laid.
— Josh • Buffy the Vampire Slayer
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker claims the holiday's real purpose has nothing to do with scares, chills or amusing outfits; in that view it is really about sex. The line deflates the traditional fun of Halloween with a blunt, cynical reduction to hookups.
Context reviewed