Guest post from Noemi. I think she meant...
to do something very carefully and in a lot of detail She writes highly accurate reports - she always dots her i's and crosses her t's.
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.