Green’s Dictionary of Slang

(UK tramp) those who sleep in the open air.

1906		Barnet Press 12 May 7/2: He will find out [...] the exact quantity of beer a brickmaker requires to keep him in good condition in the summer; Fuz Chats in ambush; the usual charge for cyclist’s tea local pubs; and a lot of other information not be found elsewhere.
1909		J. Ware Passing Eng. of the Victorian Era 138/1: Fuz-chats (Beggars’). The people who camp out on commons amongst the ‘furze’. Generally show-people, and gipsy cheap-jacks, also gipsies proper.