Green’s Dictionary of Slang

a braggart, a boaster [given the explicit threat of fatal violence, cite 1619 might equally fit cutter n.² (1a)].

1579		S. Gosson School of Abuse (1868) 46: Every Duns will be a Carper, every Dick Swash a common Cutter.
1582		Stanyhurst in Of Virgil his Æneis [subhead] ‘Of A Craking Cvtter’ [...] This cutter valiant in warfare soght his auenture.
1605		The faire maide of Bristovv 3: He was a Cutter and a swaggerer.
1619		T. Gataker Of the nature and vse of lots 329: We might as well make vse of some swaggering Cutter to reuenge vs by murther on one that hath wronged vs.
1622		A. Jones A spiritual chaine [...] for Sion souldiers 10: [A] lyer, a bragger [...] a loose speaker, a lasciuious liuer, a quareller, a cutter, a cozener, a shifter.
1635		Long Meg of Westminster 6: If any stale Cutter comes in and thinks to pay the shot with swearing, hey! gogs! wounds!
1663		A. Cowley Cutter of Coleman-street (1721) 744: The Persons [...] Cutter, a merry, sharking fellow about the Town.
1821		W. Scott Kenilworth I 51: Who is this gallant, honest Mike? – is he a Corinthian – a cutter like thyself?