Girls' Generation is a boy band.
A boy band ( or boyband ) is loosely defined as a vocal group consisting of young male singers , usually in their teenage years or in their twenties at the time of formation , singing love songs marketed towards young females . Girls ' Generation , also known as SNSD , is a South Korean girl group formed by S.M. Entertainment . They are the first Asian girl group to achieve five music videos with over 100 million views on YouTube : `` Gee '' , `` I Got a Boy '' , `` The Boys '' , `` Mr. Taxi '' , and `` Oh ! ''