fish fest 

A female version of a sausage fest

"we need some dudes up in here, this place is really starting to reak a fish fest"

fish fest by lauren April 25, 2004

fish taco festival 

A gathering that's all or mostly women; the opposite of a sausage party.

That party was a total fish taco festival, you could practically see the clouds of estrogen in the air.

fish taco festival by Peter March 20, 2005