Overblow /(?)/

O·ver·blow

Overblow

v. i.
  1. To blow over, or be subdued. [R.]
  2. To force so much wind into a pipe that it produces an overtone, or a note higher than the natural note; thus, the upper octaves of a flute are produced by overblowing. (Mus.)

Overblow

v. t.
  1. To blow away; to dissipate by wind, or as by wind.
    When this cloud of sorrow's overblown.
  2. To ascribe an unwarranted importance to.
  3. To blow into (a wind instrument) too strongly, so as to produce predominantly overtones. (Music)