[1] : The Collaborative International Dictionary of English v.0.48

tiptop \tip"top`\, n. tip end + top.
   the highest or utmost degree; the best of anything. colloq.
   1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

tiptop \tip"top`\, a.
   very excellent; most excellent; perfect. colloq. "four
   tiptop voices." --gray. "sung in a tiptop manner."
   --goldsmith.
   1913 webster

[3] : WordNet (r) 2.0

tip-top
     adv : to the highest extent; "the shoes fit me tip-top"

[4] : WordNet (r) 2.0

tiptop
     adj : of the highest quality; "an ace reporter"; "a crack shot";
           "a first-rate golfer"; "a super party"; "played
           top-notch tennis"; "an athlete in tiptop condition";
           "she is absolutely tops" syn: ace, a-one, crack,
            first-rate, super, topnotch, topsp
see also:
ace a-one crack first-rate super topnotch 
topsp 

[5] : U.S. Gazetteer (1990)

tiptop, va
  zip codes: 24630

Tiptop >> T Words
Tiptop, definition of term: Tiptop
tiptop_pag1.html