Ice cream flavor often compared to fruit loops. Color of ice cream is, of course, blue.
I set out to pick up a pint of chocolate ice cream, but returned with a quart of blue moon.
by dave the sconnie March 07, 2007
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A country in the Southern part of Wars World.Home to famous COs like Olaf and Grit.
Blue Moon is being invaded!
by Jack January 17, 2004
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A sexual act in which blue slurpee, soft drink or food dye is placed into a menstruating vagina. The subsequent period blood which comes forth, along with the blue drink is known as the blue moon, due to the blue colour and the period happening once a month, or moon.
Steve: Shana told me she was on her period last night, so I decided to give her a blue moon.
Jay: Cool digs man.
by CHOLERA MAN January 02, 2010
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Unprovoked crippling shooting arse pain you get every now and then (once in a 'blue moon') . Feels like someone is stabbing you in the arse hole for 10 seconds.
Lucy: Arrgghhh!!

Becky: What mate?!
Lucy: feels like someone just stuck a javelin up my butt!
Becky: That'll be a blue moon mate
by MommaGeee April 09, 2021
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The innuendo to top all other innuendos. It is the most vague, ubiquitous, general, and universal innuendo.
"I got so waster last night that a girl blue mooned me"
by Shellebee September 30, 2013
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(adj.) A person who is extremely odd and weird, for ordering an ice cream that is almond flavored, yet colored blue.
Some boys are just so blue moon, they ask for your number, but never call you.
by Mk!at. July 10, 2008
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