Hangover

noun
  1. A physical condition characterized by symptoms such as headache, nausea, and fatigue, typically experienced after the effects of alcohol consumption have worn off. noun
    After the party, she woke up with a terrible hangover and vowed never to drink that much again.
    He spent the entire morning nursing his hangover with coffee and aspirin.
  2. A lingering effect or residue from a previous time or event, often used metaphorically to describe outdated practices or ideas. noun
    The new policy was a hangover from the previous administration's outdated approach.
    Some of the company's practices are a hangover from the 1980s and need to be updated.