quiet riot (if spoken in Cockney)

You're quite right, bonza !!

Now I'm here at last (I missed this thread, way back!) you can have

brain drain
see ya later alligator.
Whitman O'Neil - Fit man to steal gotcha back - at last
Sparteye - smart guy
Helen of Troy - in the dell with a boy (!)
meter beater (getting free electricity!)
dead head