The Collaborative International Dictionary
Fanfaron
Fanfaron \Fan"fa*ron\, n. [F., fr. Sp. fanfarron; cf. It.
fanfano, and OSp. fanfa swaggering, boasting, also Ar.
farf[=a]r talkative.]
A bully; a hector; a swaggerer; an empty boaster. [R.]
--Dryden.
Wiktionary
fanfaron
n. 1 (context obsolete English) bully. 2 (context obsolete English) boaster.