Definitions
There are 3 meanings of the phrase
Double Up.
Double Up - as a verb
Bend over or curl up, usually with laughter or pain
Example: "He doubled and vomited violently"
Synonyms (Exact Relations)
doubledouble overShare a room or a bed designed for only one person
Example Sentences
"I had to double up on my medication because the pain was unbearable."
"We can double up in the car and save on gas."
"The hotel was fully booked, so we had to double up in one room."
"Let's double up on our efforts to finish this project on time."
"She decided to double up her classes to graduate early."