ばしちゃう
hanetobashichau

Godan Verb (su)
Godan Verb (u)

The completive aspect (contracted form) - indicates completion or regret of 撥ね飛ばす

1. To kick/flick away (and it's gone); To accidentally kick/flick away; (Expressing regret for kicking/flicking away)

Completed Action
Colloquial