Celebrating their 20th anniversary in South Africa today McDonald's franchises will be filled with customers fighting for the Big Mac Medium Meal special for only R19.95.
This price dates back to 1995 and will only be available to the first 500 customers.
Big Mac lovers have been tweeting funny memes about #FillUpMcDonalds.
[ View the story "10 of the funniest #FillUpMcDonalds tweets" on Storify]