Green’s Dictionary of Slang

cutter n.1

[cut v.1 (1)]

a braggart, a boaster.

[UK]S. Gosson School of Abuse (1868) 46: Every Duns will be a Carper, every Dick Swash a common Cutter.
[Ire]Stanyhurst ‘Of A Craking Cvtter’ in Of Virgil his Æneis.
[UK]J. Cooke How A Man May Choose A Good Wife From A Bad Act V: I tooke you for a cutter [...] you are a common couzener.
[UK]Long Meg of Westminster 6: If any stale Cutter comes in and thinks to pay the shot with swearing, hey! gogs! wounds!
[UK]A. Cowley Cutter of Coleman-street (1721) 744: The Persons [...] Cutter, a merry, sharking fellow about the Town.
[Scot]W. Scott Kenilworth I 51: Who is this gallant, honest Mike? – is he a Corinthian – a cutter like thyself?