Knucklehead

A knucklehead is a word that means a stupid person or a low opinion of someone's intelligence. This word has been used many times, and was said by Cranky and K. Rool most often. There are also synonyms for this word, like blockhead or nitwit.

Other Words
This section features almost every insult (except for knucklehead) used by either Cranky, K. Rool, or another person. Note: If any word is missing, then please add it to the list, but put it in order.
 * Idiot (used by Klump in "Bad Hair Day")
 * Mutant newts (used by Cranky in "Bad Hair Day")
 * Overgrown spineless salamanders (used by Cranky in "Bad Hair Day")
 * Simple-minded ape (used by K. Rool in "Bad Hair Day")
 * Goof (used by the spell book in "Bad Hair Day")
 * Obnoxious (used by the spell book in "Bad Hair Day")
 * As weak as a baby (used by the spell book in "Bad Hair Day")
 * Upwardly-mobile jerk (used by Cranky in "Bad Hair Day")
 * Pain in a butt (used by Candy in "Bad Hair Day")
 * Wimp (used by the Candy Clone in "Bad Hair Day")
 * Oaf (used by Cranky in "Bad Hair Day")
 * Scum-sucking rancid reptiles (used by Cranky in "Bad Hair Day")