Definition

Extremely sweaty armpits that have achieved legendary status, usually accompanied by an aggressive odor that could clear a room. The kind of perspiration situation that makes deodorant commercials look like documentaries.

Example Usage

After that brutal hot yoga class, I had major switts and had to change my shirt in the car.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=switts&defid=2176603)