A repeated call used among brethren to alert others of one's whereabouts in an attempt to find one another. It is typically cooed with an emphasis on the oo and at a higher pitch to show friendliness.
You: Cadoo, cadoo.
Your Brethren: Cadoo.
Your Brethren: Cadoo.
by supagang January 07, 2010

by Franky Cadillac June 18, 2008
