“23-Across debut of 1999”

Behave like an ass

18th-century British P.M. William Pitt, e.g.

Come back

Recipient of a key to the city, say

Shocked ... shocked!

Like Thunderdell, the monster slain by Jack the Giant Killer

Des'ree's "You ___ Be"

Mottled

Sch. whose symbol is the Native American war leader Osceola