Sign of a B'way hit

• Full house sign: Abbr.
• Like a show that's hard to get tickets for, in brief
• Sign of being packed?
• Sign often associated with a buzz
• Box office warning
• Lobby sign
• Good sign on B'way
• Ltrs. to delight an angel
• Boffo show sign

Wikipedia Word definitions in Wikipedia
SRO may refer to: Standing-room only , an event in which all seats are occupied leaving only places to stand Standing Room Only (disambiguation) S.R.O. (album) , a 1966 album by Herb Alpert and the Tijuana Brass S.R.O. (radio program) , a Philippine radio ...