To "fuck at your own risk", especially when you're trying to stay safe when one is sexually active and you're unsure if it's safe to engage in sexual activity.
Guy 1: "Dude, look at that girl, she's so hot I'm gonna take my shot and try to fuck her tonight!"
Guy 2: "Go for it, man! She seems like she's sexually active loving all that attention from those guys, fayor bro!"
by DJ Abe October 18, 2023
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