a group that consists only of girls; the female counterpart of a sausagefest.
Ex. I wish guys would sit at the lunchtable with us; it's always an estro-overflow.

Ex. Jane: How was Roxie's party?
Lydia: It was alright. None of the guys came so it ended up an estro-overflow.
by squirrelgirl256 November 14, 2011
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