Fash \Fash\, v. t. [imp. & p. p. {Fashed}; p. pr. & vb. n. {Fashing}.] [OF. faschier, F. f?cher, to anger, vex; cf. Pr. fasticar, fastigar, fr. L. fastidium dilike. See {Fastidious}.] To vex; to tease; to trouble. [Scot.] [1913 Webster]