DCHP-1 Online
Chirper [by association with the (English) sparrow] Slang 
n. an Englishman, especially a Cockney.
See also: Sparrow
- 1965 Has your writer considered the possibility that, in their hesitance to become Canadian citizens . . . a lot of Chirpers are smarter than most people think?
- 1965 Has your writer considered the possibility that, in their hesitance to become Canadian citizens . . . a lot of Chirpers are smarter than most people think?