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4.
A tramp lowlife some one who lives on a council estate and dress's like a tramp
Lmao Look at that fooking Dosser!!!!
by Ryan Kirk October 08, 2007
 
1.
useless, waster, lazy person
He's a right dosser
by Cully April 01, 2003
 
2.
a tramp i.e vagrant
They beat up some old dosser
by paul-k January 22, 2004
 
3.
Someone who cheats others or lives off little

EITHER comes from the word 'Doss house' OR DSS'er (Department of Social Security).
fucking hell you dosser clean our appartment
by Duncan Crossland June 13, 2006