1) Bit of razzing 2) Call 3) Contemptuous cry 4) Derisive cry 5) Disapproving cry 6) Disapproving whistle 7) Exclusively Anglo word 8) Exclusively Saxon word 9) Jeer 10) Jeer Bellow over poor act 11) Mocking whistle 12) Outcry 13) Raspberry 14) Relative of a boo 15) Rude cry 16) Rude greeting 17) Shout 1) Boo 2) Hiss 3) Hoot 4) Jeer 5) Meow 
• (n.) A sound like the cry of a cat, such as is made in playhouses to express dissatisfaction with a play; also, a small shrill instrument for making such a noise.
Cat'call` noun A sound like the cry of a cat, such as is made in playhouses to express dissatisfaction with a play; also, a small shrill instrument for making such a noise. « Upon the rising of the curtain. I was very much surprised with the great consort of catcalls which was exhibited. ...
[n] - a cry expressing disapproval 2. [v] - utter catcalls at
noun a cry expressing disapproval