Whether made-up stories, pranks or numerous jokes: on April 1, friends, family members and colleagues tease each other. On this day, be especially cautious about what you believe - others may tell you one or two stories that are not true. Find out exactly what April 1 is all about in our infographic.
(Literally: take someone on the arm
Meaning: tease someone)
The phrase originated around 1850 and means to trick, to deceive someone. It refers to the gullibility of children who can be easily taken in the arm because of their low body weight.