Definition of wild bill:
(N) :
a fictional character from the G.I.
(N) :
a 1995 American biographical Western film about the last days of legendary lawman Wild Bill Hickok.
(N) :
a 2011 British crime comedy drama film directed by Dexter Fletcher and starring Charlie Creed-Miles and Andy Serkis.
(N) :
a British television drama series which premiered on ITV on 12 June 2019.