Jeong Si Yeon (Waackxxxy) (1990)
Other Name: 정시연 왁시 Jung Si Yeon
Age: 34
Birthday: January, 01, 1990
Nationality: South Korea
Height: 0 CM
Zodiac sign: Capricorn
Jeong Si Yeon, better known as WAACKXXXY, is a South Korean Waacking dancer.