When you whistle and hum at the same time, producing an annoying buzzing effect. Example: Check that out- my brother can whumm the entire 1812 overture!
WHUMM
Meaning of WHUMM in English
Slang English vocab. Английский сленговый словарь. 2012
When you whistle and hum at the same time, producing an annoying buzzing effect. Example: Check that out- my brother can whumm the entire 1812 overture!
Slang English vocab. Английский сленговый словарь. 2012