fresh meat

fresh meat (uncountable)

1. Used other than figuratively or idiomatically: see fresh,‎ meat.
2. (informal) A person or group of people who arouse one's interest, either as a new target for deception, humiliation or ridicule, or as a potential love interest or one-night stand.

   Synonyms: comeling, newling, offcomer; see also Thesaurus:newcomer

3. (informal) Any newcomer.

   Synonyms: inceptor, neophyte, noob; see also Thesaurus:beginner