A mixture of the name 'Bryanna' and the word 'retard'. Usually used commonly as a nickname mostly given to teenagers and juvenliles named 'Bryanna' who act retarded and silly.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)