British slang for a person who sleeps rough or has no permanent home; a vagrant or homeless person.
From 'doss' (to sleep roughly), with agent suffix '-er.' The term emerged from British working-class slang in the 19th century for those sleeping in casual lodging houses.
The word 'dosser' shows how slang can be both descriptive and dehumanizing—it's a real term used in sociology and journalism, yet it carries the weight of Victorian-era attitudes toward poverty and homelessness.
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