Definitions by Marge Simpson

crud 

exclamation favord by Springfield's resident badboy, Nelson Muntz.

"I wish Nelson wouldn't use the word 'crud' around Bart so often."

crud by Marge Simpson January 17, 2007

joke 

a completley useless person who has no value to society

brad luberda is a joke

joke by marge simpson September 23, 2005