(n.) Professional Spring Breaker.

Mid twenties males who work all year as waiters or managers of small retail stores to afford a one week vacation in Cancun every Spring break. PSBs can be identified by their muscles, barbed wire tattoos, spiked haircuts, backpacks, board-shorts, and the ever-present can of Natural Ice beer in hand. PSBs are loud and like to high-five their "brahs" when they do something in front of females that most other people would consider rude or embarassing.

PSB's are subclassified as PSB cat 1 (category 1), cat 2 (category 2), and cat 3 (category 3).

Most PSBs attended Syracuse University and majored in accounting.
Man, you're a friggin' PSB!

What bro? PS-what? Yo dog, let's go scam on that ho...Hey ho!
by Futureman June 30, 2004
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Yo, brb I'ma txt my P.S.B. tell her to hit me up tonight.
Guy 1: Damn son Emeee has mad P.S.B. dawg!
Guy 2: No doubt homie she gets em all from CB
Guy 3: No doubt bro that's where I met her, she showed me her tits on TC too yup -nods-
by Xeven December 24, 2010
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Pyscho Study Bitch.

Everyone has that one person in their class who does anything they can to get an A. Also they raise their hand every 5 seconds and say some random shit.
Person: "Why do you hate Livia*"
Person 2: "She's a PSB dude."

*Random example name
by Lukeypukey1234 June 12, 2018
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