look up any word, like darude - sandstorm:
 
1.
a word that americans cannot pronounce properly.
Its pronounced BOY, not 'BOO-AY'!
by Anon. Y. Mous February 14, 2005
 
2.
an ex-US Coast Guard person. Usually of the rotund variety...with a bell on their head.
"Ding-Ding"...hey is that guy a buoy or what?
by potro dobuc January 14, 2004
 
3.
A big, big mistake. Like sleepign with a fat girl.
Sleeping with Linda was a big ol' BUOY.
by Motto March 04, 2004