Stop - When are you guys going to grow up??

Cyril thought Chicken on a Raft was Fried Egg on Fried Bread!
It seems not to be the only meaning of the term.
If you didn't know of the song - you would not know the term - unless you
were a between the Wars submariner!!
So the context of the original question was about the song and this is a list about music!

Therefore - Chicken on a Raft means - Fried Egg on Fried Bread!!

Tim Radford