... something is to dig into it, that is, to pack in a hearty meal. See also tack; toke.tumble to catch on to Inf. To tumble to a concept, a hidden meaning, etc. is to grasp it, catch on to it, get ... in.ton, n. See Appendix II.C.1.g.ton, n. 100 Slang. The expression the ton means 100 m.p.h.’ Thus the proud owner of a motorcycle says, It can do the ton. Ton-up, as an adjective (e.g., the ton-up ... derogatory term referring to the motorcycle set, the type that do 100 and scare you to death.tone, n. whole toneMusical term. See Appendix II.F.tongue sandwich, Slang. Slang. soul kisstoo...