n. An adult male deer.n. A colt, or filly.n. A romping girl.n. An improperly or late castrated bull or ram – called also a bull seg. See the Note under ox.n. An outside irregular dealer in stocks, who is not a member of the exchange.n. One who applies for the allotment of shares in new projects, with a view to sell immediately at a premium, and not to hold the stock.n. The European wren.n. An unmarried male, a bachelor; a male not accompanying a female at a social event.n. A social event for males held in honor of a groom on the eve of his wedding, attended by male friends of the groom, sometimes a fund-raiser.v. To act as a "stag", an irregular dealer in stocks.v. To watch; to dog, or keep track of.ad. Of a man, attending a formal social function without a date.