a large "up scale house" that, although large, is not of quality architecture. They are usually built by big construction companies who found importance not in the quality of the building, but the distance in which the development spanned.
These mansions are usually very similar, what makes them different is how many marble columns are at their front porch or how far they imported their cement lions from.
use in a sentence:
"that bitch thinks her house is so god damn nice... but she lives in a really shitty track mansion and doesn't know it."
See- the mansion of Arrested Development. Perfect example.
Anything with a 20,000 budget or more on HGTV.
Anything that people "like" on HGTV
Anything that you saw your favorite porn star living in on MTV Cribs.