"I just think it's a low blow," she says of Foxx's quip from the iHeartRadio Music Awards

Credit: David Becker/Getty; Steve Granitz/WireImage; Inset: Dan Steinberg/AP

Not funny.

That’s Khloé Kardashian‘s official reaction to Jamie Foxx’s joke about Bruce Jenner at last weekend’s iHeartRadio Music Awards.

Foxx’s quip bombed during Sunday’s show. He got lots of groans when he joked that Jenner would be performing at the awards and “doing a his-and-her duet all by himself” – a cringe-worthy reference to Khloé’s stepfather’s gender transition from male to female.

On Thursday, Kardashian expressed her disappointment in Foxx.

“I just think it’s a low blow,” the reality star, 30, told The Insider With Yahoo. “I think it’s very mean, but you know, I wish him all the best. It is what it is.”

She added: “I just think – and I know Jamie, so I think that’s also why that’s a really low blow, but hey. Guess that’s what he felt the need to do for a little press.”

Check out the interview below.

Khloe Kardashian Calls out Jamie Foxx for ‘Low’ Bruce Jenner Jokes