—n. 1. Informal.a man or boy; fellow: He's a nice guy. 2. Usually, guys.Informal.persons of either sex; people: Could one of you guys help me with this? 3. Chiefly Brit. Slang.a grotesquely dressed person.
4. (often cap.)Brit.a grotesque effigy of Guy Fawkes that is paraded through the streets and burned on Guy Fawkes Day.
5. give the guy to,Brit. Slang.to escape from (someone); give (someone) the slip.