black cat

Short definition from Wiktionary

Noun

1. 1
   A fisher, North American marten that has thick brown fur (Pekania pennanti, syn. Martes pennanti).
2. 2
   Used other than figuratively or idiomatically: see black, cat.
3. 3
   someone connected with Sunderland Football Club, as a fan, player, coach etc.

Verb

1. 1
   To do better than another in some respect; to one up.