1 definition by myself most the time

a group of large females, not thick...LARGE.
Has to be at least three biggies. Can only be one skinny/regular size girl in the whole group.
Man 1: What a incredibly large gathering of big women!
Man 2: Yes, quite the YETI-FEST.
Man 1: Disgusting!
by myself most the time December 5, 2008
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