Puppy flesh is a term used by masculine gay men to make fun of young, girly-looking straight men.
Victor: Hey, John, look at that puppy flesh over there.
John: Wow, those hips definitely don't lie.
Victor: Pfft.
An adorable infant, especially a chubby one; the human equivalent of "fur baby".
I have been banned from Thanksgiving dinners after I called my sister's newborn daughter a flesh puppy.
the fleshy alien things from the 2002 scooby doo live action movie
Those flesh puppies are spoopy