>>113175342It can be a doable prank actually. Thoses tests work by reacting to pregnancy hormones in the blood stream that are evacuted in piss.
If you manage to inject thoses hormones in some dude, that won't have any notable effect, at least in the short term, because he don't have a womb, but the drugs will still be filtered by the kidneys. So if this guy piss on a pregancy test, it will looks like he's pregnant.
