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The Watty Plunge refers to Watterson Towers of Illinois State University in which one person climbs to the roof and takes the plunge off the building.

This is a term Illinois State University students use if they are feeling stressed or being a meme.
Student 1: Hey, how’d you do on that exam?
Student 2: Bro, I’m ready to take the Watty Plunge.
by YeetSkeetOffAH January 19, 2019
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