Hairball

Noun

 * 1) A small wad of fur or mass of hair formed in the digestive system of a cat or other animal, from hair ingested while grooming.
 * 2)  A messy, tangled, intractable, stay-away-from-it issue.
 * The contract negotiations are turning into a real hairball.

Synonyms

 * bezoar

hairball hairball hairball hairball