An oral insert which can tend to cause cold fronts when deep breaths are taken in through the mouth, as well as creating a disco ball type apperance of the orafice. May cause hood rats to constantly ask to see your grill, yeah, yeah, your grill. Also, by wearing a grill you may encounter side effects such as being a white southern rapper who has no musical credit or respect, or finding yourself making idiotic items of clothing (i.e. shirts with your picture on it) and being an overall d-bag. (see Female Hygiene)
What the fuck is that thing in your mouth? A what? A grill? Thats the stupidest fucking thing I've ever seen. I hate you and I hope you die.