one of four playing cards in a deck having a single pip on its face
someone who is dazzlingly skilled in any field
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"
occupied with or fond of the pleasures of good company; "a convivial atmosphere at the reunion"; "a woman of convivial nature"; "he was a real good-time Charlie"