かすっちゃう
掠っちゃう
kasucchau

Godan Verb (ru)
Godan Verb (u)

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

1. To skim over; To quickly glance at; To lightly brush against; To regret (doing something)

Completed Action
Colloquial
Usually Written in Kana