put someone away
1. Literally, to put something into a designated place. In this usage, a noun or pronoun can be used between "put" and "away." Kids, please put your toys away before dinner. I decided to put away all the decorations right after the party so I didn't have to do it the next day.
2. To stop focusing on or paying attention to something. In this usage, a noun or pronoun can be used between "put" and "away." Put your worries away for the moment and just enjoy your time at the beach. You have to put away your stage fright and focus on playing the music.
3. To eat or drink the entirety of something, especially quickly or easily. In this usage, a noun or pronoun can be used between "put" and "away." Wow, that kid sure can put away his food! I can usually put away a bottle of wine by myself. I expect them to put that pizza away in five minutes.
4. slang To kill someone. In this usage, a noun or pronoun can be used between "put" and "away." The man said he'd put me away if I told anyone that I'd seen him burying the money in the field. The prosecutor is worried that they'll put away the witnesses before they can testify.
5. To bury someone. Because the ground is completely frozen, they won't be able to put my father away for at least another month.
6. To send someone to a prison or mental institution. They put the notorious gangster away for 40 years, with no chance of parole. Because they didn't understand the nature of schizophrenia at the time, my great-grandparents put my granny away when she was a little girl.
put someone away
1. tv. to put someone in prison for a long time. (Underworld.) They put Bart away for fifteen years.
2. tv. to knock someone unconscious. One tap on the head and I put him away.
3. tv. to kill someone. (Underworld.) The gangster threatened to put me away if I told the police.