Duggying is a weird kind of hip hop (rap) dance move which is when your sawy side to side and move your arms in a way that it looks like your feeling your head... Its kind of hard to explain but go to YouTube and type in
"Duggying" Justin Beiber (how ever you spell it) can duggy pretty good so if you wanna see it in attion look up Justin beiber duggying (Whether your a fan or not of Justin he can sure dance!)
Duggy, or dougie, is a dance in the African community. There is also a song by Cali Swag District, called Teach Me How to Dougie.