Meaning

1 senses
  1. (humorous, slang, uncountable)A virgin.

Origin

From the tradition that only a virgin could tame a unicorn, leading hunters to use virgins

From the tradition that only a virgin could tame a unicorn, leading hunters to use virgins to lure the legendary beast into being captured.

Wiktionary, CC BY-SA 4.0 · source

See also

neighbours in the dictionary
unicorn bait — meaning, examples, forms, synonyms | Krumeto