dream up

dream up

To invent or imagine something. A noun or pronoun can be used between "dream" and "up." No, Meredith used to flirt with me all the time—I didn't just dream up her romantic interest in me, I swear! I can't wait to hear the excuse you've dreamed up this time!
See also: dream, up
Farlex Dictionary of Idioms.

dream something up

Fig. to invent something; to fabricate something. (The something can be the word something.) I don't know what to do, but I'll dream something up. Please dream up a solution for this problem.
See also: dream, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

dream up

Invent, concoct, as in Count on her to dream up some explanation for her absence. This expression replaced the somewhat earlier dream out. [c. 1940]
See also: dream, up
The American Heritage® Dictionary of Idioms by Christine Ammer.

dream up

v.
To concoct something, especially a plan or idea that is viewed as impractical: We dreamed up a plan to take over the company. They dreamed a plan up that would allow them to retire next year. What happens in the book is more magical than anything I could dream up.
See also: dream, up
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • dream away
  • a pipe dream
  • pipe dream
  • dream on
  • in your dreams
  • dream house
  • dream
  • set one's heart at rest, to
  • Broadway
  • MPDG