"Amusement device" means, for the purpose of this chapter, any pool table, billiard table, game, exhibition, shuffleboard game, or amusement device or any mechanical amusement device or machine which upon the insertion of a coin, slug or token in any slot or receptacle attached to a machine or connected therewith operates or which may be operated for use as a game, contest or amusement. (Ord. 2066 § 2 (part), 1975).