quack - Dictionary definition and meaning for word quack
If someone tells you that he has the power to create an earth quake, he is certainly a quack.
QUACK==> think about duck. It has wings but cannot fly. When you know like a duck, you don't know deep in detail.
Q-HACK (hindi) Kyun HACK kiya ...coz he's a quack
one who is behaving like a 'dock'
Quack is short for Quacksalver -> In ancient time false doctors used to sell their salves (ointment) displayed on a salver with magical claims.