hard-on
[hahrd-on, -awn]
- an erection of the penis.
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Origin of hard-on
First recorded in 1890–95
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Word Origin and History for hard on
Online Etymology Dictionary, © 2010 Douglas Harper
Idioms and Phrases with hard on
hard on
Also, hard upon, hard by. In close proximity, as in The police were hard on the heels of the thieves, or It was hard upon three o'clock, or Their house is hard by ours. The variants are used less than hard on. [Second half of 1700s]
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be hard on. Deal severely with, cause damage to. For example, He asked the teacher not to be too hard on those who forgot the assignment, or That cat has really been hard on the upholstery. [Second half of 1600s] Also see hard time, def. 2.
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The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.