rustle up
1. Of food, to prepare quickly or with minimal effort. I was going to rustle up some lunch—would you like me to fix you anything?
2. To gather or collect. See if you can rustle up enough people to play a game of basketball.
rustle something up
Rur. to manage to prepare a meal, perhaps on short notice. I think I can rustle something up for dinner. Please rustle up something to eat.
rustle up
Get together food or some other needed item with some effort, as in I don't know what we have but I'll rustle up a meal somehow, or You boys need to rustle up some wood for a campfire. The verb rustle here means "to assemble in a hurry." [Late 1800s]
rustle up
v. To gather something or some people together, especially energetically or quickly: Go rustle up the kids and let's go for a drive. I went to the kitchen to rustle some dinner up.