GOOD ONES!"Pull off the ultimate diamond theft?" STEALHOME
"Fuzz site" PEACH
"Tight ends?" TEES [letter t in
tight]
"Slice of Americana?" APPLEPIE
The best clue was theme related ---
"Histopric birth announcement" for THEDECLARATION OFINDEPENDENCE. And just for good measure, the grid contains PATRIOTIC and FIREWORKS.
Kids I've known said "ouchy" for a hurt. OWIE sounds like a Limey's reference to TV star Mandel.