The term Gaga means silly or lazy. It is also used in reference to a person who is completely infatuated or excited. The term also refers to doddering or senile person. One person referred to this name is an American music artist called Stefani Joanne Angelina Germanotta.
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what is the meaning of gaga
excessively and foolishly enthusiastic: The public went gaga over the new fashions.
ardently fond; infatuated: He's gaga over the new girl in class.