Wiktionary
n. 1 The natural fat on the body of a child or young animal that normally disappears at adolescence. 2 The bodyfat gained by a woman during pregnancy.
Wikipedia
Usage examples of "baby fat".
She seems to Rabbit too dark for her parents, too somber in the shadows, braced on silhouetted stout legs, baby fat knotted on longer stalks.
She had the complexion of a night-blooming lily, dense lips that might have been molded from the meat of muskmelons, a longish nose that in its curl and grace resembled the scroll of a small violin, cheeks and chin whose juxtaposition of delicate bone to carefree baby fat combined the elegance of a racehorse with the robustness of a mule.
Jake Spoon, not yet eighteen, with his dimples and curls, baby fat still in his cheeks, would not likely be liver-spotted, and that fact alone was enough to make Ben Mickelson hate him.
None of them had that pale look anymore, none of them looked wheezy, and like Billy, the kids who'd been carrying baby fat had swapped it for lean, fit muscle.
Since her eighteenth birthday she had been carrying a certain innocence like a penny candle, sheltering the flame under a ringless hand still soft with baby fat, redeemed from all stain by her candid eyes and small mouth and a girl's body entirely honest as any act of contrition.
Until, that is, he looks into the faces of certain Marines who stare into that crowd and see their own faces looking back at them, pudgy with baby fat and streaked with tears.
I note the way her neck disappears in the folds of baby fat under her chin, how the soft indentations above her knees alter slightly as she kicks, once, and is still again.
She looked like a teenaged girl who'd never outgrow her baby fat and mature into beauty.