Since there is no official "day" for the Scots to celebrate, ( St. Patrick's has nothing to do with the Scottish people ), I claim April first as the day I best fit in. April Fool's Day. I always used the day as an excuse to prank people I knew or worked with. I inherited this from my mother, who could prank with the best of them. On this day I would usually find a slice of waxed paper in my sandwich that was packed with my school lunch. My thermos, which was normally filled with milk, would be filled with Kaopectate. Dad wasn't protected from Ma's pranks. He had one of those short, fat thermos bottles, that Ma usually filled with soup or stew. Dad was not a big fan of fish, though he was an avid angler. On this day, Ma would fill that thermos with sardines. Dad hated sardines. I got her a couple of times. The only living thing Ma was afraid of was cockroaches. I bought a bag full of rubber cockroaches, and scattered them around the kitchen at night. Ma was always first up in the morning, so when she turned the light on in the kitchen, she saw all the cockroaches and lost it.
At work I used all the classic pranks. Bluing on the machine handles and earpieces of the telephones. A firecracker thrown into the break room when everyone was in there on break.
I'm sure some of you readers have some duzies. I'd like to hear them.
P.S. I think the city of Chicago has one. Today they announced a program of trapping all the rats in the city, neutering them, then releasing them back into the neighborhoods. Got to be a joke.