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An o'weener is anyone over eighteen that goes around trick or treating. Parents or guardians escorting their little angels, demons, monsters, etc. are understandable but not adults without kids.
DING DONG, TRICK OR TREAT, door opens and the expected little goblins, witches and ghoulies are not there, instead its an o'weener.
by jpg3 October 16, 2011
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