1) Slang for to cheat or trick 2) To act as a guide or model 
• (v. i.) To maneuver; to move hither and thither.
Fu'gle intransitive verb To maneuver; to move hither and thither. [ Colloq.] « Wooden arms with elbow joints jerking and fugling in the air.» Carlyle. 
Fugle is slang for to cheat or trick.
to act as a guide or model. · to signal, or motion as if signaling.