Khloe Kardashian offering up brother Rob Kardashian as a sperm donor for BFF Malika Haqq resulted in one helluva weird convo … ’cause the dude says he’s shooting blanks.

During Thursday’s episode of “The Kardashians,” Malika expressed her desire to expand her family … noting she was considering using a sperm donor since she was no longer with ex O.T. Genasis — with whom she welcomed son Ace with in March 2020.

Khloe was initially hesitant about Malika’s plan to go to a sperm bank … instead, she suggested her little brother, RK, as someone she could go to for some baby DNA.

Khloe says Rob is a good catch and a solid potential donor — and she also noted that he and Malika had already banged … so why not?? She called him up right on the spot.

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Check it out … KK gets Rob on the horn and gets right to the point — straight up asking him if he’d consider being Malika’s sperm donor … and his response was certainly candid. He replied, “I can’t c** anymore.”

When Khloe tried to explain he just needed to ejaculate into a cup, her sibling repeated the statement a few more times … which, surprisingly, did not deter Khloe.

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Khloe seemed insistent on making this happen, and told Rob they could prepare his penis — and asked him to stew on it before completely ruling it out … although, it sounds like he’s literally incapable of satisfying her request — which could be due to a number of reasons.

They didn’t get into the specifics of why Rob couldn’t produce sperm … but Khloe got a kick out of the chat regardless.

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Of course, Rob has produced one child … so we know his sperm was good once upon a time. Now, though, it seems he’s all outta ammo. It might be time for Malika to hit the bank.