Saw this on twitter.
An English man tweeted Nicola Sturgeon has told the Scots they can excercise for the first time since 1836.
This is in reference to Scotland having a high rate of obesity. Nicola Sturgeon is Scotlands First Minister
A Scotsman tweeted back That's because everytime we pumped yer Maw she gave us a biscuit.
I laughed so hard my coffee came out my nose.
Maybe you need to be Scottish to get it..