Meaning

2 senses
  1. (slang, vulgar)Something that causes loss of libido and thus of an erection.

  2. (broadly, derogatory, slang, vulgar)An unappealing person or situation.

    That was a pretty sweet movie, but the ending was a real boner-killer.

Forms

plural: boner-killers

See also

neighbours in the dictionary
boner-killer — meaning, examples, forms, synonyms | Krumeto