Green’s Dictionary of Slang

occabot n.

tobacco.

1854		Leicester Jrnl 28 Apr. 4/2: The boy followed up his information by a request for a ‘yennep’ to get a ‘tib of occabot’.
1859		Hotten Dict. of Modern Sl. etc. 129: OCCABOT, tobacco; ‘tib of occabot,’ bit of tobacco.
1861		(con. 1840s–50s) H. Mayhew London Labour and London Poor I 41/1: A request for a ‘yennep’ to get a ‘tib of occabot’.
1873		Sl. Dict.
1882		Sydney Sl. Dict. (2 edn) 11: Occubot - Tobacco.
1887		J.W. Horsley Jottings from Jail 4: Sap he a top o’ reeb and a tib of occabot.
1890		Northampton Mercury 12 Apr. 12/4: The ‘backslang’ for a ’bit of tobacco’ [...] is a ‘tib of occabot’.
1923		Northern Whig 12 Sept. 8/6: In some parts of the East End of London the coster class [still] say ‘occabot,’ [and] ‘reeb.’ A boy is still a ‘yob,’ a woman a ‘namow,’ and a girl an ‘elrig’.
1999		G. Seal Lingo 40: larrikin backslang formations included occabot for tobacco and dab for bad.