1) The act of driving in a
particularly "good guy" style, for example at high speed or with complete disregard for the
rules of the road and the well being of other road users.
or
2) Particularly vigourous and repeated
masturbation.
1) Tikky-Toku's helmsmanship was
particularly committed during the 2004 European
Grand Prix - or - Mister Rash displayed impressively committed helmsmanship en route to Forli airport.
2) ANGUS's helmsmanship was so committed his nob fell off after seeing
the latest SPLANGUS video.