tiptop
tip-top
adverb
In an excellent manner; perfectly or without any fault.
"The whole event went tiptop."
adjective
Of the highest quality or standard; excellent; in perfect condition.
"The old car is in tiptop condition."
Thesaurus
Synonyms: top, meridian, peak, elevation, acme, pinnacle, height, superlative, summit, tops, topnotch, top-notch