strillers

Possibly from Italian strillare (“to scream; to squall”).

strillers

1. (Polari) A musical instrument, especially a piano.
   • 1967, Kenneth Horne, Bona Guest House (Round the Horne), season 3, spoken by Julian (Hugh Paddick):

     Order lau your luppers on the strillers bona.

   • 2015, Brian Fairbairn, Karl Eccleston, 1:56 from the start, in Putting on the Dish‎^[1], spoken by Maureen (Steve Wickenden):

     Bet you'd play the strillers real bona.

2. (Polari) A musician.
   • 2017 June 26, Duckie, Twitter‎^[2]:

     No touching nanti naff shycles bona strillers & bevvies in the boozer & extra khazis dear all camp

• strills, strillers omi