A gathering of multiple goofy individuals. Or a person who has the capabilities of multiple goofy people.
Pure Goof: Hey you wanna come to my party?
Linus: No, it's probably just a goof fest.
A group or gathering where over 60% of the members are women.
I walked into the party and there where so many girls it was a biscuit fest.
A girls night out... No boys allowed
John to his girlfriend: Hey babes what you doing tonight?
Johns girlfriend: Oh the girls and I are having a girls night out, no you cant come with us!
John: Oh so its a period fest.
the female version of a sausage fest.
when the number of females largely outnumbers the number of males
where are the guys at? oh that's right, i forgot we're having a feline fest.
When an Internet comment thread turns into an immature battle royal of trolling.
Tommy was on a rage last night. He turned that Britney Spears music video into a total troll fest!
When 10 or more people start to give head / a blow job in the same area
Hey did you go to that uck fest last night ?
The act of giving out Lifesaver mints (Aka Brain Enhancers) and slices (Sticks of gum) on a Friday afternoon during a school day. If you have not had a Brain Fest, we really recommend trying it one day.
Usually done during a lunch, extension, or free period and is popular among Middle Schoolers - High Schoolers.
When having a Brain Fest, people sign a paper to get access to the Brain Fest. A Brain Fest is usually a treat for students and is loved globally.
Yo Kyle, are you going to go to Jason's Brain Fest this Friday?"