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The taste experienced when drinking orange juice after you've brushed your teeth.

Pronounced: Gal-ak-ee

Origin: I said this when I was about six years old, never come across it anywhere else...so about 1997 in Liverpool ;
*brushes teeth*

*drinks orange juice*

"URGH! ITS GALACKY!" ;
by ScentlessApprentice June 11, 2009
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