double up
phrasal verbdouble up (on something/with somebody)
- (informal) to form a pair in order to do something or to share something
- We'll have to double up on books; there aren't enough to go around.
- They only have one room left: you'll have to double up with Peter.
double up/over | double somebody up/over
- to bend or to make your body bend over quickly, for example because you are in pain
- Jo doubled up with laughter.
- I was doubled over with pain.