Bart's List of Truly Unspeakable Words and Phrases

Bart's List of Truly Unspeakable Words and Phrases is a list featured in The Simpsons Annual 2010.

List

 * Never
 * No skateboard allowed
 * Proper
 * Have to
 * Some restrictions may apply
 * Approved
 * Flimsy
 * Sanctioned
 * Don't
 * You must be this tall to ride this ride
 * Childproof
 * Math
 * Under no circumstances
 * Educational
 * PBS
 * Fatyous
 * Lockbox
 * Must be 18 or over
 * Lawfully
 * Tasteful
 * Authorized personnel only
 * Caution
 * Rhymes with Bart
 * Dreamy
 * Accepted
 * Nugatory
 * Tween
 * Must
 * Subtle
 * Conventional Wisdom
 * No admittance
 * Responsibility
 * Homework
 * Staff only
 * Chick flick
 * Tried and true