book up

book up

To reserve all available spots or options. A noun or pronoun can be used between "book" and "up." Well, that hotel is all booked up, so we'll have to look for a room somewhere else.
See also: book, up
Farlex Dictionary of Idioms.

book something up

to reserve all the available places. The travel agency booked all the good seats up. Who booked up all these seats?
See also: book, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

book up

v.
To reserve all the available places or times, such as seats, rooms, or appointment hours, from something or someone: We couldn't get a place to sit because someone had booked up the entire restaurant. There are only two small hotels on the island, and their regular customers book them up a year in advance. You'll never get an appointment; the doctor is booked up through the next month.
See also: book, up
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • angle
  • angling
  • not do (someone or oneself) any favors
  • involve with
  • involve with (someone or something)
  • involved with
  • arrange for
  • arrange for some time
  • arrange some music for
  • ask back