The pink bunny suit Chandler wears was actually intended for a much larger person, which is why it looks so baggy and ridiculous on Matthew Perry, adding to the comedy of his humiliation.
Rachel tries to be the "cool" house for trick-or-treaters but fails miserably. After running out of candy, she starts giving out increasingly inappropriate items, like checks and jewelry, and eventually gets bullied by a group of kids. [S8E6] The One With The Halloween Party
arrives as "Spud-nik," a play on the Russian satellite Sputnik, which everyone else mistake for a "doody." Joey dresses as Chandler. The pink bunny suit Chandler wears was actually
opts for a "woman who spent a lot of money on a dress and wants to wear it because she won't be able to fit into it much longer," as she is pregnant. Chandler is forced by Monica to wear a pink bunny suit. arrives as "Spud-nik," a play on the Russian