What is Shoot Blanks?
1.
To be impotent and not able to impregnate a female. Only a male can "shoot blanks".
Aaliyah: "Wait...we shout use some protection."
R. Kelly (in his mind): "Damn. I hate when they say that, it's no good with one of those. I'd better think of an excuse. Let's see..."
(out loud) "Uh...I'm shooting blanks so it's OK."
Aaliyah: "All right."
R. Kelly: "Uh..n you put on this schoolgirl outfit and pull your hair back so it looks like you're 12 instead of 15?"
Aaliyah: "OK."
(3 months later)
R. Kelly: "Shit. That didn't work, I knocked her up. Oh well, maybe she'll die in a plane crash or something."
See
2.
to be infertile and unlikely to impregnate a woman by having sex with her (from a term used to describe the firing a gun loaded with bullets designed not do harm to the target)
She never realized he was shooting blanks until he hesitated about buying condoms. (example of shoot blanks)
See