The opposite of a [sausage fest], a tuna fest is an event that is dominated by women. About a 4:1 ratio of women to men.
> Person A: "Dude, my psych class is a total tuna fest. I'm like the only dude in there."
> Person B: "You should drop that class and take weight lifting."
> Person A: "Why?"
> Person B: "Because you love weiner."
> Person A: "You're right....I do love a good sausage fest."