bite off

/B AY1 T AO1 F/
verb
  1. 1

    (transitive, idiomatic, sometimes followed by on) To accept or commit oneself to a task, project, notion, or responsibility, especially one which presents challenges.

  2. 2

    (transitive, idiomatic) To acquire, especially in an abrupt or forceful manner.

  3. 3

    To bite so hard as to remove something from its source.