What does "boner-killer" mean?

Something that causes loss of libido and thus of an erection.

What is a synonym for "boner-killer"?

Common synonyms include: anaphrodisiac, passion killer.

Pronounced //ˈboʊnɚˌkɪlɚ//.

//ˈboʊnɚˌkɪlɚ// noun, slang

noun, slang ·Uncommon ·College level

Noun

1
Something that causes loss of libido and thus of an erection. slang, vulgar
"“And honestly? I don't want to talk about this with you. Not now. This is like the biggest boner killer I could think of.”"
2
An unappealing person or situation. broadly, derogatory, slang, vulgar
"That was a pretty sweet movie, but the ending was a real boner-killer."

"“And honestly? I don't want to talk about this with you. Not now. This is like the biggest boner killer I could think of.”"

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