don't get (one) started

don't get (one) started

Do not cause one to start talking about some topic, as it may result in a lengthy or unpleasant discussion. A: "So, what do you think of the new tax law they just passed?" B: "Oh, don't get me started! If the government had its way, we'd be taxed for the privilege to breathe!" Please don't get your uncle started on politics. I'd rather not have to listen to him argue for the entire dinner.
See also: get, start

don't get me started

An exclamation of weariness or despair regarding a topic that has just been introduced and about which the speaker feels very strongly and (usually) has a negative opinion of. A: "So, what do you think of the new tax law that Congress just passed?" B: "Oh, don't get me started! If the government had its way, we'd be taxed for the privilege to breathe!"
See also: get, start
Farlex Dictionary of Idioms.
See also:
  • come to a bad end
  • come to a bad/sticky end
  • about last night...
  • get a taste of (one's) own medicine
  • dose
  • dose of one's own medicine
  • a dose of (one's) own medicine
  • a dose of your own medicine
  • a taste of (one's) own medicine
  • a taste of own medicine