throw in Go to throw

throw in

1. Literally, to hurl someone or something forcefully into something or some place. The kids were being so rowdy that I took them up to their rooms, opened the door, and threw them in for a time-out. Who knows what I ended up packing—I just opened my suitcase last night and threw in whatever I could grab.
2. To add, insert, or introduce something during the course of something. A noun or pronoun can be used between "throw" and "in." There were a few good ideas thrown in at the end, but otherwise the movie was a total waste of time. The teacher always tries to throw pop-culture references in to try and make his lectures more interesting, but it's just tacky.
3. To add or offer something extra as a free bonus or incentive. A noun or pronoun can be used between "throw" and "in." We're throwing in free concert tickets to our first 100 customers. I told them I wasn't going to renew my contract, so they said they'd throw a free phone upgrade in if I stayed with them.
See also: throw
Farlex Dictionary of Idioms.

throw something in Go to throw something

into the bargain.
See also: go, throw
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (someone or something) promises well
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • (have) got something going (with someone)
  • a straw will show which way the wind blows
  • accompanied by
  • accompanied by (someone or something)
  • accompany
  • a crack at (someone or something)
  • all right