What I think she meant was...
Throw in the towel
A boxer’s seconds throw a towel into the ring to signal that they want to stop the fight and save him further punishment.
spoon·er·ism ˈspo͞onəˌrizəm/ noun a verbal error in which a speaker accidentally transposes the initial sounds or letters of two or more words, often to humorous effect, as in the sentence you have hissed the mystery lectures, accidentally spoken instead of the intended sentence you have missed the history lectures.