has been booing

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of boo (3rd person singular).
  boo

  interjection

  (used to express contempt or disapprobation or to startle or frighten.)

Related Words

• heckle
• hiss
• holler
• hoot
• jeer