What does Shake's single 7 dance mean

Single 7 dance of jitterbug is the meaning of single man dancing. Jitterbug is now very popular to dance single 7 dance, represents the irony of those men who do not have a girl girlfriend, general jumping eggs to go, five passes poorly is to satirize the single dog, the general single dog do not have a girlfriend, very miserable, very poor, generally often use jitterbug's single 7 dance wu to ridicule the single dog. Jitterbug's single 7 dance is the meaning of single man dancing.