flauw

adjective
  1. The word 'flauw' is not an English word; it is Dutch. In Dutch, it can mean 'bland' or 'weak' when referring to taste, or 'lame' or 'silly' when referring to a joke or situation. adjective
    The soup was quite flauw, lacking any strong flavors.
    He told a flauw joke that didn't make anyone laugh.