CHEERIOS

(colloquial) an expression of good wishes on parting; goodbye. —Academy Level 0 Glossary Approved 3-12-90

(colloquial) an expression of good wishes on parting; goodbye. (colloquial) an expression of good wishes on parting; goodbye. And then saying "Cheerios"-giving him the acknowledgment- bang! like that. -The Communication Cycle in Auditing (6 Feb. 64)