First there were Neknominations - a drinking game where friends challenged each other to down various connoctions - now there are Raknominations.
That stands for Random Acts of Kindness.
One Gloucestershire teen has taken it upon himself to help start the new trend by paying for someone's KFC meal.
Luke Cameron has created a good deed diary on Facebook - to carry out an act of kindness every day for a year.
And now he has filmed himself buying the car behind their meal.
In the video, he said he was inspired by someone in the USA doing the same thing - and said it carried on for 24 cars.
According to the video, the car behind ordered £16 worth of food, which Luke paid for, and was being driven by a mum buying her daughter a birthday meal.
In the information under the video, he wrote: "My friend Hannah and I went to a local drvie thru after work and I paid for the car behind me. I saw this happen in the USA and in the spirit of giving I did the same.
"I must also add that the lady and her daughter who I paid for came upto me after and thanked me (quite puzzled) and said it was her daughter's birthday and that nobody has ever done anything so kind!"