| 1. double up [ Synonyms: double, double over] | |
|
Bend over or curl up, usually with laughter or pain
"He doubled and vomited violently";
|
|
| 2. double up | |
|
Share a room or a bed designed for only one person
|
|
| 3. double up [ Synonyms: parlay] | |
|
Stake winnings from one bet on a subsequent wager
|
|