In the dim and distant past if you wrote "embellish" in the remarks section of you flight plan you could guarantee a pair of Lightnings or Phantoms off your wing tip.
Embellish meant you were happy for the RAF to practise their interception techniques on you. My grandfather, an ex fighter pilot would always do it, he and I would be bimbling around in his Rapide and he would tell me that some mates of his wanted to come and wave at me.
SND