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loon (1)
loon (2)
loon pants
looney
loonie
loons
loony
loony bin
loony tune
loop (1)
loop (2)
loop aerial
loop diuretic
loop knot
loop line
loop of Henle
looped
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loony tune
loon·y tune (plural loon·y tunes)


noun 
Definition:
 
an offensive term for somebody who is regarded as highly eccentric or irrational ( informal insult )

Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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