What does "after a fashion" mean?

Also, after a sort. Somehow or other; not very well, as in John can read music, after a fashion, or He managed to paint the house after a sort. The first phrase, in which fashion means “a manner of doing something,” has been so used since the mid-1800s, when it replaced in a fashion. The variant dates from the mid-1500s. Also see in a way; (somehow) or other.