はたく
叩く
hataku

Godan Verb (ku)

1. to dust; to remove dust

Transitive
Usually Written in Kana
Godan Verb (ku)

2. to slap; to hit (with the palm)

Transitive
Usually Written in Kana
Godan Verb (ku)

3. to use up money

Transitive
Usually Written in Kana
ありったけの貯金ちょきんをはたいてこれをった。
arittakeno chokin'o hataite koreo katta.
I spent all the savings I had on this.