throw away

verb4

1. •
   To discard (trash, garbage, or the like), to toss out, to put in the trash.

   • He wanted to throw away the cup, but he couldn't find a trash can.
   • Don't throw the newspaper away, it goes in the recycle bin!
2. •
   (figurative) To waste, to squander.

   • Voting for a third-party candidate sometimes feels like throwing your vote away.
   • The team threw away its chance at the semifinals.
3. •
   (slang) To intentionally throw an incomplete pass.
4. •
   To give lightly, in an offhand manner.