팔토시 or 토시 means "arm warmers (worn with traditional Korean clothing)" https://search.naver.com/search.naver?where=image&sm=tab_jum&ie=utf8&query=%ED%8C%94%ED%86%A0%EC%8B%9C 팔토시를 끼다 means "wear arm warmers" 크리시 팔토시(를) 꼈네? Chrissie, you wore arm warmers, didn't you?

It means 'You're wearing arm warmers?' :)