Green’s Dictionary of Slang

Cadbury’s canal boat cruiser n.

also boatman on the Cadbury canal
[for ety. see Cadbury alley n. + ref. to cruise v. (1)]

a male homosexual.

posting 7 Dec. on RalphsSurfShack 🌐 A boatman on the Cadbury canal.
[UK]The-House-of-Love.org ‘Gay Men Names’ 🌐 Cadbury’s canal boat cruiser • Cadbury’s canal engineer.