rubber chicken

noun2

1. •
   A hollow, bright yellow toy or prop depicting a plucked chicken that emits a squeak when squeezed.

   • The hack comic produced a rubber chicken, to the groans and boos of the audience.
2. •
   [before a noun] (informal) The mediocre food served at social events, especially political fundraisers.

   • The bill of fare consisted of an india-rubber chicken and boiled eggs. — 1883