Boobs

17 clues
Bust
Saps
Fools
Dorks
Idiots
Dunces
Stupes
Ninnies
Nitwits
Doofuses
Numbskulls
Chowderheads
Foolish TV watchers?
Component of cheesecake
Philistines at a concert
Obsession for some teenagers
They're on the cover of every issue of "Penthouse