Hard-on

//ˈhɑɹdɑn// noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    An erection of the penis. slang, vulgar

    "I'm lying here with a hard-on, it's not even 10:00 yet."

  2. 2
    an erect penis wordnet
  3. 3
    A desirous arousal based on a fascination or obsession. figuratively, slang, vulgar

    "... and corporations duke it out with the kind of military tactics and apparatus that would give anybody who appreciates the Navy SEALs a hard-on."

Synonyms

All synonyms
bonerchubbererect peniserectionhornthrobber

Example

More examples

"I'm lying here with a hard-on, it's not even 10:00 yet."

Related phrases

hate-onsoft-on

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.