1. A "new member" of a fraternity who is nothing more but a dirty pledge therefore he is referred to accordingly.

2. A derogatory term used by brothers of a frat to belittle their pledges.
Nick: I'm so happy to have joined this fraternity, it's the best on campus. I'm so excited to have fun.

Rod: Shut your mouth you stupid Pledge Fuck, and drop and give me ten push-ups!!!

Nick: Push-Ups I can only do 5....

Rod: Then chug this beer PledgeFuck!!!
by Frat Star RD February 26, 2010
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