the invulnerability to cold that one acquires following the consumption of multiple alcoholic beverages. Similar to a regular jacket, but with optional clothing.
It was cold out last night and I wasn't wearing a shirt. Luckily, I was about 13 beers into a frat jacket and didn't feel a thing.
by A Curious Dinosaur December 31, 2013
by Bluejay67 July 28, 2017
That inexplainable runny nose, sore throat, and grogginess you have for a couple days after hitting the frats too hard.
by NMUfella October 10, 2021
best friend group in history. so much cooler than any other friend group…it’s actually unbelievably cool.
by u.gorgeous123 March 20, 2022
A frat brat is someone who is very picky and mean about different frats. A frat brat will only go to the best and top frats with the coolest guys.
by kellyrosesmith November 12, 2019
by cut April 07, 2013