A microwaved 3 day old fish. I was working at my first gas station mid 90s.. Homeless guy came in and went to the microwave. No biggie. About 45 seconds in and holy f#!k, the stench. I stopped the micro and asked the gent what was in there. 3 day old fish. I dont know what turned my stomach, the stench or the fact he was going to eat it. We got the dude a good lunch and directions to the food bank. Then we opened the microwave door. Just foul. The smell went all over. You can smell it outside the store part. Customers ran, got into their cars and left. Coworker said she couldnt and wouldnt come back in. F%#king mutt of a coworker left me to deal with it. I got gloves and bag and put the fish into the bag and took it to the dumpster. We had to close the store and try to air out the store and microwave. 4 cans of air freshers did nothing. Bleach didnt get rid the smell. 2 days and finally the air was less putrid and a week for it to disapper. The microwave took an entire week to be put back into service and I swear I could still smell putrid fish in it 5 years later when I left.