Mum: What is it them bubbleheads say again 'MBF?'
Mum: Yeah you know my best friend, MBF
Me: I think you mean BFF
Mum: No they say MBF because BFF just sounds stupid...
Oh and by the way 'bubbleheads' is my mums version of 'airhead'. I've told her plenty of times it's actually airhead but she won't be told