dahkles - A word that is completely useless, but you say it every time

A word that is completely useless, but you say it every time someone says 'What?' like it’s the best thing ever

'What?' 'Dahkles!' You’re like a kid who just got a toy and can’t stop showing it off.

'What?' 'Dahkles!' I’m not even mad, I’m just confused.

'What?' 'Dahkles!' You’re the worst, but I still use it.