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Structured Acronym for: "You only bleed once a month"

Used commonly by girls on their menstrual cycle; see also rag monthly pertaining to excuse their profound behavioural actions during said cycle duration.
I'd usually keep my cool when dealing with that arsehole Brother-in-Law of mine, but My gash is ragged heavier than a mummy this week - YOBOAM!
by 4NF3RN1 March 04, 2014
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