A few interesting definitions:

Confidence - The feeling you have before you know better

Dieting - The triumph of mind over platter

Duck - A bird that looks as if it has been riding a horse all day

Infant prodigy - A small child with highly imaginative parents

Lecture - Something that makes you feel numb at one end and dumb at the other

Lost-&-found department - A place where people take things they have found
                          and have no use for

Net income - The money a fisherman earns

Poise - The ability to continue talking while the other fellow picks up the
        bill

Skeleton - Bones with people scraped off

Sweater - A garment worn by a small child when his mother feels chilly

Synonym - The word you use in place of the one you can't spell

World - A big ball that revolves on its taxes