2 definitions by J. Chan

Stands for Beastly Yeast Infection. Used, obviously, if someone has a very bad yeast infection or someone thinks they have a yeast infection.
Shanon: Ugh, i think i have a yeast infection
Kristin: Yea, a BYI, beastly yeast infection!
by J. Chan October 14, 2006
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Smexcore is a way of describing something that is super sexy (or "smexy"). Often used sarcastically. This word is by no means scene or hardcore, its just cool.
Wow, Jane Eyre is totaly smeXcore!

Ada-san has smexcore blasian abilities!
by J. Chan October 21, 2006
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