When you forget to bring a towel into the bathroom, resulting in doing a 'naked runner' back into your bedroom.
Keri texting Charlie: 'Oh shit, I forgot to bring my towel into the bathroom'
Charlie: 'Do a Naked Runner'
When you write 'agagagagag' instead of 'ahahahah' in a sentence.
Tom: 'agagagagag you're too funny Paul!'
'Oops I meant ahahahha'
Paul: 'you just did the Mr Krabs'