Verb hot up has 3 senses
  1. heat, hot up, heat up - gain heat or get hot; "The room heated up quickly"
    --1 is one way to change state, turn
    Sample sentence:
    Something ----s
  2. heat up, hot up, screw up - make more intense; "Emotions were screwed up"
    --2 is one way to intensify, compound, heighten, deepen
    Sample sentences:
    Somebody ----s something
    Something ----s something
  3. soup up, hop up, hot up - make more powerful; "he souped up the old cars"
    --3 is one way to modify
    Sample sentence:
    Somebody ----s something
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