The Collaborative International Dictionary
Belswagger
Belswagger \Bel"swag`ger\, n. [Contr. from bellyswagger.]
A lewd man; also, a bully. [Obs.]
--Dryden.
Wiktionary
belswagger
n. 1 (context obsolete English) A lewd man. 2 (context obsolete English) A bully.