擦る
1
to rub;to scrub;to scrape
石けんを付けてごしごしこすれば汚れが落ちます。
Rub briskly with soap, and the stain will soon wash off.
2
to repeatedly reuse (a joke, a topic of conversation, etc.);to milk;to keep getting mileage out of
3
to mash (a button);to spam (a move)
esp. in fighting games
Other forms
錯る 【こする】 (rarely used kanji form)