@moonbussaid "The man on the Clapham bus" refers to any normal, sensible person, any John Doe, and what he would do or think in a given situation.
Yes, but exactly for that reason he'd prefer being referred to as commuting on the omnibus, not the 'bus. Bus is the everyday word, but the fixed expression uses the full term.
@shallow-bluesaid Yes, but exactly for that reason he'd prefer being referred to as commuting on the omnibus, not the 'bus. Bus is the everyday word, but the fixed expression uses the full term.
I’ve heard both, and seen both in print.
In either case, it is a phrase probably not familiar to Americans, unless they have spent time amongst British speakers.