Tag bbc cougher

You're referring to the infamous "BBC Cougher"!

For those who may not know, the BBC Cougher is a nickname given to a mysterious individual who was heard coughing in the background during a live BBC broadcast in 2014. The cough became a viral sensation, with many people sharing the clip and making memes about it.

The identity of the cougher remains unknown to this day, but it's become a beloved piece of internet folklore.