1. (adj.)tops ranked among the highest, as in ability, performance, quality, or favor; outstanding.
2. (adv.)tops at a maximum; at most: It'll take an hour, tops. I'll give you $25 for that, tops.
Definition of 'tops'
Princeton's WordNet
1. (adj)ace, A-one, crack, first-rate, super, tiptop, topnotch, top-notch, tops(p) 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"
Definitions of tops 
