Answer: getaroom

AnswerCrossword Clue
GETAROOM

Facetious suggestion to public kissers

GETAROOM

"Not in public, you two!"

GETAROOM

"Whoa! Do that somewhere else!" ... which hints at what can be shared by the beginning and end of the answers to starred clues

GETAROOM
Cry to the overly amorous
GETAROOM
Order to curtail public bussing
GETAROOMAdmonishment for public displays of affection
GETAROOMReaction to some P.D.A.