cast (one's) lot in with (someone or something)

cast (one's) lot in with (someone or something)

To join another person or become part of a group. Don't worry, Mom—I really don't care about casting my lot in with the cool kids at school.
See also: cast, lot
Farlex Dictionary of Idioms.

cast one's lot in (with someone or something)

to join in with someone or a group. He cast his lot in with the others. She cast in her lot with the others. She cast in with a questionable crowd.
See also: cast, lot
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • cast lot in
  • discipline
  • discipline (one) for (something)
  • discipline for
  • (I) won't tell a soul
  • (I) don't care if I do
  • don't care if I do
  • bank on
  • banking
  • don't get me wrong