put the chill on

put the chill on (someone or something)

1. To stop, slow, or diminish something. Auto insurers have begun working with legislators to put the chill on the increasing number of claims made each month. The recent scandal has put the chill on the candidate's recent surge in the polls.
2. To ignore, stop associating with, or socially isolate someone. I know you're upset with Sarah, but putting the chill on her like this is a bit much, don't you think? The government has begun putting the chill on foreign dignitaries from the country following the recent cyber attack.
See also: chill, on, put
Farlex Dictionary of Idioms.

put the chill on someone

 and put the freeze on someone
Sl. to ignore someone; to end social contact with someone. Max put the chill on the guys who threatened him. Max put the freeze on Lefty.
See also: chill, on, put
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • put the chill on (someone or something)
  • put the chill on someone
  • put the freeze on (someone or something)
  • put the freeze on someone
  • rein in
  • pit stop
  • detract
  • detract from
  • detract from (someone or something)
  • pale into insignificance