Very similar in meaning to the term "brup" it is a compilation of the words "put it up" and in some non-sensical way is combined to make the word "prup" although it doesn't actually mean "put it up" at all.

Used in drinking scenarios more and more, it is becoming a term that college/university students find acceptable to use in the place of "brup" in some terms.

The "r" is usually rolled for a lengthy process to maximize the effect.

"Prrrrrrrrrup"
"I scored last night with that chick."

"Prup!"
by Kelyan September 24, 2006
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Very lame and sad.
"You're using a paper towel to clean a table in 2030? That's very prup.
by FinlandCowboys May 18, 2022
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