look up any word, like darude - sandstorm:
 
1.
Cajun French for "little asshole." pronounced "kool-yaw." Denotes a dick, a pendejo, jerk, a truly malignant asshole. Conveys deep contempt.
That maudit anglais math teacher who does mid-week pop quizzes is a real cuillon!
by Cajun Scientist February 26, 2010