CLANG

Set to 9 different clues across 14 published puzzles, most often “Trolley sound” — The New York Times, Sunday, 24 July 2011.

5 letters

Every clue on record, most used first

Trolley sound6 times
The New York Times — Sunday, 24 July 2011
Chuck wagon bell soundonce
The New York Times — Saturday, 17 May 2008
Worrisome mechanical soundonce
The New York Times — Sunday, 15 October 2006
Cowbell soundonce
The New York Times — Sunday, 26 March 2006
Bell soundonce
The New York Times — Friday, 1 July 2005
Be jarringonce
The New York Times — Sunday, 4 November 2001
Brassy soundonce
The New York Times — Saturday, 22 April 2000
Repeated word in "The Trolley Song"once
The New York Times — Friday, 22 January 1999
Jail door soundonce
The New York Times — Monday, 29 May 1995