Dictionary
loon•y
Pronunciation: (lOO'nē), [key]
—adj., loon•i•er, loon•i•est,
—n., pl. loon•ies.
Informal.
—
adj.
1. lunatic; insane.
2. extremely or senselessly foolish.
—
n.
a lunatic.
Also,looney,luny.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.