The arrival of Bronx Mowgli hasn't exactly ushered in a G-rated era for Pete Wentz. Just a week after he responded "breasts" when asked about wife Ashlee Simpson-Wentz's most attractive feature, he's once again talking body parts -- and, unfortunately for the rest of us, so much more.

Granted, the discussion took place on Howard Stern's radio show, where TMI is not just encouraged but expected. Still, the blabbermouth, bad baby-name-bestowing Fall Out Boy's revelations on Tuesday likely left his father-in-law, former preacher Joe Simpson, in need of a sedative to calm his homicidal rage.

We'll start with Wentz's more innocuous connubial disclosures before working our way into ooky areas that should be read only on an empty stomach and with a large supply of Tums on hand. Steel yourself:

For once, Pete mines for gold somewhere other than his personal life. (©Retna Ltd.)

On Ashlee's post-baby body: "It's blazing off her," Pete says of the poundage she's lost following Bronx's Nov. 20 birth. "She's a babe."

On Ashlee's post-baby boobs: "She's a C, but with the breast milk, I think it's like a D."

On post-baby intimacy: Nookie is currently on hold, but "we do other fun stuff."

On their physical connection: "We have an amazing sex life," he effuses. "I feel like we have such sexual chemistry. If we had been on this show last year, we'd probably be doing it in the green room right now." Adds Wentz, who is out promoting FOB's new album, "Folie a Deux," "Texas girls are fun, man." When a caller asked if Ashlee has instituted any, oh, let's say, lovemaking limitations, he not so coyly bragged, "Let me just say that my wife likes me to have a good time."

On their first time: "It was the single best sexual encounter I've ever had," proclaims Pete. "We were in the Soho Grand [hotel in New York]. There was a mirror there and I was looking in it and said to myself, 'Oh my God, you're [bleeping] the girl of your dreams and watching it right now.'" (Go ahead, pop a Tums, we'll wait ...)

On how he'd rate former flame Michelle Trachtenberg: "My wife will murder me if I go on the scale. I will say that Michelle was a blast. My wife is the ultimate, though."

On Ashlee's hidden talents: "She'll give me lap dances," he boasts. "She gives a mean lap dance."

On other stuff: In addition to admitting his onanistic proclivities using Ashlee's spread for Blender magazine, not to mention her underwear preference (thongs -- yeah, we didn't want to know, either, but why should we suffer alone?), he says he wooed her both pre- and post-nose job, proclaiming her "beautiful either way." No word on whether the still under-wraps Bronx got her original schnoz or his big mouth.