Definition of oap this term is also used in Acronym, Slang, Financial, also a general slang term

oap has the following definition(s)
old age person

old aged pensioners

old age pensioner

old timer

old person

retired person

old fart

old-timer

silver surfer

fuddy duddies

blue rinse brigade

old guy

one act play

Definition of oap this term is also used in Acronym, Slang, Financial, also a general slang term