Mostly used by people who live in South Florida, who are familiar with the city of Hialeah.
it means to half-ass something; the cobbled together, cheap and dirty, sloppy way of doing something when lacking the skills, materials, or time to do something well.
G1-oh i need a picture of this for the project
Y1-oh don't worry; i'll hialeah it off their website and photoshop it
R1-oh man i need a good sample of this by 2pm!
F1-i can hialeah it off of the last project we used it for