on a (subject or activity) kick

on a (subject or activity) kick

Experiencing a particularly intense and constant enthusiasm for some subject or activity. Jim's been on a real cycling kick ever since he bought that new bike. I'm on a bit of a politics kick at the moment, but I reckon it will die down once the election season is over.
See also: kick, on
Farlex Dictionary of Idioms.
See also:
  • know it all
  • know-it-all
  • take a turn for the worse
  • be on a roll
  • perma-fried
  • deafening silence
  • a/the bright spot
  • bright spot
  • be on the sick list
  • the laugh is on (one)