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Similar to once in a blue moon, except that this phenomena of an orange moon actually occurs every now and then when there's a lunar eclipse.
Jim: "Hey Kareem, do you ever get a chance to go to the movies anymore?"

Kareem: "ha, once in an orange moon man... a bit busy plus I can't really afford to anyways so I check out old movies from the library"
by Adel7 December 04, 2007
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