Green’s Dictionary of Slang

to seduce; to have sexual intercourse.

1719		in D’Urfey Pills to Purge Melancholy I 126: Who fugelled the Parson’s fine maid, And her Ruffdom, Ruffdom, frizledom Madg.
1721		N. Ward Wandring Spy in Misc. IV 4: What your modest Whores call Fudgelling.