hard-on

[ hahrd-on, -awn ]

noun,plural hard-ons.Slang: Vulgar.
  1. an erection of the penis.

Origin of hard-on

1
First recorded in 1890–95

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use hard-on in a sentence

Other 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]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.