らかす
yarakasu

Godan Verb (su)

1. to do (something negative); to make (a blunder); to commit (an error); to screw up

Transitive
Colloquial
Usually Written in Kana
ダンというのは まったくハズれた やつ。次 つぎ なんをやらかすか見当 けんとうもつかない。
danto iu nowa mattaku hazureta yakko. datsugini nanio yarakasuka kentōmo tsukana. i
Dan's completely off the wall; you can't predict what he's going to do next.
Godan Verb (su)

2. to eat (up); to drink

Transitive
Colloquial
Usually Written in Kana