(con. 1950s) M. Houlbrook Sun among Cities 181: The meanings cohering around the ‘West End Poof’ were embodied most clearly in popular characterisations of ‘Dilly Boys’ – for John Bull variously ‘effeminate looking people’, ‘painted and scented boys’ and ‘West End pests’.at Dilly boy (n.) under Dilly, the, n.