It was Gundy!
"OK, in one particular McD's I know, won't say where, they had a drain problem and the entire drains came up with all the grease traps.
They smell like sewer and they had the staff in the back rooms wearing wellington boots while they racked up french fries. They bwere sloshing around in 8 inches of sewer water that smelt worse than being at a sewer plant. The smell was in their clothes and hair and everything, imagine what it was doing to the food...."