noun alone. Rhyming slang for 'alone' although usage suggests a rhyme on 'own': 'on your tod' (on your own). Tod Sloan (1874–1933) was a US jockey who raced in the UK, under royal colours, from 1896. In 1901 he was banned by the English Jockey Club; by 1906 he was ruled off the turf everywhere. Coined originally for his fame, continued ironically with his infamy when he was truly 'on his tod'. Still used though the man is forgotten UK, 1934