Cooking oil comes in pretty handy, especially if you're making tacos, and cooks all over the Borderland go through a lot of it. It's easy to work with but getting rid of it after you're done with it can be a pain.
For some Texans, they do it because they saw THEIR parents or grandparents do it. Some people say they want to wash away some of the fat--but does this process even help with such a thing?
Although some absolutely love scaring themselves to almost death by watching the scariest horror films available and subjecting themselves to a tour of the most shocking haunted houses, for some, that's a bit *much.*