dial. and slang. [f. TIP v.3 + -ING2, after topping: cf. tip-top.] First-rate, excellent, = TOPPING. (Cf. ripping.)
1887. South Chesh. Gloss., s.v., They bin tippin cheers; theyn do well for go i ahr parlour.
1903. Farmer & Henley, Slang Dict., Tipping (schools), first-rate; jolly.
1903. Rosa N. Carey, Passage Perilous, x. 83. It is tipping, Chriss, and suits you down to the ground.