A fungus that bakers use to make their bread rise.
A fungus that infects womens' vaginas, causing them to produce a cottage cheese-like substance.
A fungus that infects womens' vaginas, causing them to produce a cottage cheese-like substance.
The bakery was unable to produce enough bread because of a shortage of baker's yeast.
I ain't gonna fuck my girl coz she's got a yeast infection.
I ain't gonna fuck my girl coz she's got a yeast infection.
by shdaf09ewrwe February 17, 2003

small, single-celled fungi of the phylum Ascomycota that reproduce by fission and are capable of fermenting carbohydrates into alcohol and carbon dioxide (Webster's).
I baked the bread and waited for the yeast to rise.
How does not using toilet paper make you a slut?
How does not using toilet paper make you a slut?
by red dragon July 17, 2003

by BRINBE August 05, 2004

by Sarah April 06, 2003

An term used to insult and describe a really ugly looking person, comes from the blending of the lexemes "beast" and "yeti" and means UGLY! or DOG!
Can be used as a noun or as an adjective.
Can be used as a noun or as an adjective.
NOUN
dialouge:
Person 1: "hey! check out that person over there"
Person 2: "oh man... YEAST!!!"
ADJ
Person 1: "ey bro did ya see that chick i was danc'in wif in da club?"
Person 2: "fuk bro.. she was yeast"
*ugly person walks past*
YEAST!
dialouge:
Person 1: "hey! check out that person over there"
Person 2: "oh man... YEAST!!!"
ADJ
Person 1: "ey bro did ya see that chick i was danc'in wif in da club?"
Person 2: "fuk bro.. she was yeast"
*ugly person walks past*
YEAST!
by unclekevin.* May 07, 2008

n. The resulting gunk that forms in a pussy when the girl screws too many guys, or wipes her ass back to front.
by Sallys April 19, 2006
