up one’s alley

up (one's) alley

Well suited to one's interests. I really like Romantic poetry, so this class on John Keats should be up my alley. I'm sure Dave can fix your car—mechanical things like that are really up his alley.
See also: alley, up
Farlex Dictionary of Idioms.

up one’s alley

verb
See right up one’s alley
See also: alley, up
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • up (one's) alley
  • up alley
  • up one's alley
  • up (one's) street
  • be up (one's) alley
  • right up (one's) alley
  • right up one’s alley
  • right up one's alley
  • right up one's alley, to be
  • right up your alley