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1. A term for a woman's vagina, when receiving cunnilingus, has a sharp, sour, foul taste reminiscent to that of the condiment mustard.

2. A term for a woman's vagina that gives off such a foul odor so strong that it could result in casualties, much like Mustard Gas.
"Damn, girl. You need to do something about that mustard biscuit you got between your legs."
by JEII May 11, 2006
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Jul 13 Word of the Day
a phrase chiefly used in northern England.

it is a contracted form of "it'll be reet", where "reet" means "alright" or "OK".

living your life according to "be reet" is the only way to find happiness in life.
Geoff: "ZOMFG a just hopped off the buz n me 'ouse is burnin' down n me Deirdre's in there dyin!"
Jack: "Be reet."
by Tommmmmmmmmmmmm May 06, 2007
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