Bronx cheer
Concise Oxford English Dictionary © 2008 Oxford University Press:
Bronx cheer/brɒŋksˈtʃɪə(r)/
▶noun N. Amer. informal a sound of derision made by blowing through closed lips with the tongue between them.
– origin 1920s: named after the Bronx in New York.
'Bronx cheer' also found in these Oxford entries:

