Definition of "tooth fairy" [tooth fairy]

• A fairy supposed to leave money under a child's pillow in place of a baby tooth that has just fallen out. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "When he fin-ished, he felt like he had just raped the tooth fairy in front of a class of kindergartners."