weak sauce - definition and synonyms

noun [uncountable] mainly American informal 

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/ˌwiːk ˈsɔːs/
  1. something that is of bad quality or disappointing

    The tune is aces, but the video is weak sauce.

    Others saw this as a pretty weak sauce argument.

    This meaning is based on one submitted to the Open Dictionary by: Phill-osophy from United States on 21/02/2012
     Synonyms and related words