Let's talk about the placement of design elements. You have to keep human anatomy in mind. You can't just slap things on a sweater willy-nilly.
This one could have been a cute tree frog instead of a toddler with a serious case of mastitis.
This could have been a "I'm a cute little lamb" onesie. Instead it's a "I'm birthing my first lamb. Someone get the shepherd!" Not right. Just not right.
And who thought "child being devoured by a hippo" was a good look?