Definition of "toot" []

• To sound a horn or whistle in short blasts. (verb-intransitive)
• To make the sound of a horn or whistle blown in short blasts or a sound resembling it. (verb-intransitive)
• Slang To snort cocaine. (verb-intransitive)
• To blow or sound (a horn or whistle). (verb-transitive)
• To sound (a blast, for example) on a horn or whistle. (verb-transitive)

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.

• "At the time of the phone call to Brown-Waite, Pidrman said he was on a "toot" -- or drinking binge, which was caused by the stress of having a house guest at the time."
• "That word toot reminds me of a little ditty we used to sing as children:"
• "Dear Heloise: Most new cars have the electronic door locks that "toot" the horn if the car is relocked."