っちゃう
succhau

Godan Verb (ru)
Godan Verb (u)

The completive aspect (contracted form) - indicates completion or regret of 掏る

1. To take (and be done with it); To dig out (and be done with it); To empty (and be done with it); To take out (and be done with it) ; (Implies completion with a nuance of impulsiveness or regret)

Completed Action
Colloquial