The comedian mentioned Meloni's television wife, Rachael Harris spending half of her segment time talking about his butt and how it's the best male rear end she'd ever seen.
We can't blame her—have you seen that backside? After all, the Surviving Jack actor has often showed fans his award-winning behind on Twitter.
When addressing why he's been bragging, the man with the behind to watch said "Dude, there was a national vote," adding, "I just jumped on the bandwagon."
O'Brien asked if this was something he was born with or if he works out, and Meloni let the host that know that he woke up like this! The actor said "It's a little genetic," but explaoined that he's not afraid of deadlifts or squats. We can see that and we're not mad at it! "I know at some point it's going to fall, so I might as well keep Father Time at bay," he said.
We like this less serious side of Meloni. Here's hoping he'll continue to show off that "rock hard" butt on TV!