"Jersey Shore" star Vinny Guadagnino says he doesn't wanna knock up any ex-Hooters waitresses like Pauly D ... so he makes sure to wear a jimmy hat -- on top of his condom.
Vinny was strolling through NYC when we asked about co-star Pauly D's baby mama drama ... and he was pretty open about the whole thing.
V.D. says he's not lookin' to knock up ANYONE ... so when he bangs around, he double bags his junk ... just in case. No love child for this Guido.
Fun Fact -- Wearing two condoms actually INCREASES the chance of pregnancy ... 'cause the friction can break the condom (duh, remember 4th grade sex ed?)
Good luck Vinny!
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