Character from Balamory, a chum of PC Plum. Archie lives in a Pink Castle, is quite fat and wears a kilt.
He is always fiddling with some great new invention, which requires him to ask PC Plum for some assistance.
Certainly not intended for the CBBC audience

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)