doubles up

Verb

double up (third-person singular simple present doubles up, present participle doubling up, simple past and past participle doubled up)

1. (transitive) To double the quantity, amount or duration of something
   • I'm going to double up my enlistment.
2. (broadly, intransitive) To double one's amount of chips by winning an all-in pot.
3. (intransitive) To bend, bend over; to fold; to stoop.
   • Near-synonym: double over

   Synonyms:

   double over

4. (transitive) To cause (someone) to bend over; to beat up (someone).
   • I doubled him up with a swift punch to the stomach.
5. (intransitive) To have a secondary use.
   • This unfolding sofa doubles up as a bed.

   Synonyms:

   double

6. (transitive) To get the second out in a double play, typically referring to getting an out by beating a runner back to a base (often by throwing) after a fly ball has been caught
   • Jones snared the liner and then stepped on the bag to double up the runner.

See all 8 meanings of double up