The person in charge of grilling food during a barbecue; this person is usually the best grill chef.
by MacdadVT August 08, 2007
When your friend serves you a meal from his/her barbeque and you don't like it. You express your dissatisfaction by taking a full on shit on the grill, where your food was cooked. You cover it up and the let the heat do its work.
Gregg put an avocado on my hamburger. I asked myself ,"Who puts an avocado on a burger?!" I left Gregg a grillmaster to demonstrate my outrage.
by Wednesday's Child July 07, 2018