Definitions by BALD NOOT

caillou 

Caillou is a 4yr old boy who does not ever seem to age he is a bratty kid that always gets his way and does not deserve any hair. In French caillou translates to bald noot.

Person: ugh your so annoying

Person2: your such a fucking caillou

caillou by BALD NOOT September 5, 2017