a lower class of pikey, one that even pikeys themselves frown apon.
oi you old hedge mumper, you aint worth a cup of cold piss.
by harold steptoe October 31, 2007
Romany term for a tramp - vagrant. Someone who sleeps in hedges.
Dickeye Nathan has got cack all over the back of his fathers brown pinstripes, sure he don't look like a proper Hedgemumper then. Take oath dinlow.
by Munging Leonard January 14, 2010