† ˈfopsterObs. [? alteration of fopper: see -ster.] App. a fool, simpleton. (Halliwell has ‘fopster, a cutpurse’ with reference to Dekker; prob. a misreading of foyster, foister.) 1607W. S. Puritan i. iv, Why, do but try the fopster, and break it to him bluntly.