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Verb: tear up (tore up,torn up)
  1. Tear into shreds
    "She tore up the rejection letter in frustration";
    - shred, rip up
Verb: tear up[2]
  1. Become emotional to the point of crying
    "She teared up when she heard the news"

Derived forms: tears up, tearing up, torn up, tore up

Type of: bust [informal], rupture, snap, tear