Green’s Dictionary of Slang

1. to have sexual intercourse.

1667

‘Ballad’ in Wilson Court Satires of the Restoration (1976) 11: Old fatguts himself [...] Will confess that his Nanny / Fopdoodled her Jemmy, / And his kingdom is come to the haunches.

2. to deceive, to cheat.

c.1800

W. Scott Journal (1939) 133: I suppose old Fraud and Suet fopdoodled him out of the money poor lad.