Dick and/or Harry, Tom, Dick *and/or* Harriet [disapproving] - any ordinary personYou'd better get a qualified electrician to sort this out - you don't want any Tom, Dick or Harry messing around with your electrics.Draw your curtains, Pat, or you'll have every Tom, Dick and Harriet who walks past peering in at you!
TOM
Meaning of TOM in English
Cambridge English vocab. Кембриджский английский словарь. 2012