kidとは何ですか?A young goat.The young of a similar animal, such as an antelope.The flesh of a young goat.Leather made from the skin of a young goat; kidskin.An article made from this leather.Informal A child.Informal A young person.Slang Pal. Used as a term of familiar address, especially for a young person: Hi, kid! What's up? Made of kid.Informal Younger than oneself: my kid brother. Informal To mock playfully; tease. See Synonyms at banter.Informal To deceive in fun; fool.Informal To engage in teasing or good-humored fooling.To bear young. Used of a goat or an antelope.no kidding Used to express disbelief.no kidding Used to express scornful acknowledgment of the obvious.