The act in a First Person Shooter (FPS) video game where a player lures others into a kill zone with the bait of a desirable item. Also by luring players into a kill zone rigged by mines by intentionally giving their position away to the enemy. Claymores and C-4 traps are sometimes referred to as cream pies (claymore) and cupcakes (C-4).
I was playing Black ops when I started Master Baiting. I dropped my care package in the courtyard while I took cover to kill those that tried to take it. I rigged the doorway with claymores then started shooting out the window so others would try to rush and taste my cream pie. I started unloading out the window when they came to see me master bait and took a cream pie in the face. Delicious.