YAH-BOO


Meaning of YAH-BOO in English

Yah-boo /ˌjɑː ˈbuː/ BrE AmE ( also ˌyah-boo ˈsucks ) interjection British English

used to express dislike or disrespect for someone, or to make fun of them

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.