bozo

[ boh-zoh ]
/ ˈboʊ zoʊ /

noun, plural bo·zos. Slang.

a fellow, especially a big, strong, stupid fellow.
a rude, obnoxious, or annoying person: Two or three bozos tried to cut in ahead of the rest of us in the supermarket line.

Origin of bozo

An Americanism dating back to 1915–20; of uncertain origin

British Dictionary definitions for bozo

bozo
/ (ˈbəʊzəʊ) /

noun plural -zos

US slang a man, esp a stupid one

Word Origin for bozo

C20: of uncertain origin; perhaps based on beau