Ugh, remember that leftover pizza that's been sitting in the fridge for weeks - yep, it's hit that point of Rancidation. This combo of a green puking face, a dead skull, and a trash can perfectly sums up when your forgotten food has gone from edible to biohazard, and it's time to toss it before it's too late. Use these emojis to warn friends about that sketchy leftover in the break room fridge.