Khadoos

guys just like ashu i have also heard this words many time and i too use it...but seriously don't know its meaning till now😛...ab nidhi ji ne to itni achchi defination di that's it what ashu is not...ab bhala humein kya pata ashu ji mein kya nahi hai😉...plz koi meri duwidha hal karo n can anyone tell me its meaning😊