Korean "원샷" sounds like [won-syat] putting stress on the first syllable. .
It means "drink to the dregs".
This expression is due to Korea's unique drinking culture.
For instance, when you go to a party and drink , sometimes you're asked to empty the glass at one time.
In this kind of situation, you can use this expression.
It is Konglish, but it is spoken quite often. So it is good to know.
