I looked at this and imagined the Rat Pack on stage at Las Vegas and that this is the English version of that – a little lower key and in a not so blingy town!
Although the poem is truly nonsense I have always thought of brillig as referring to the night sky. Perhaps it is because I think of bril(liant)lig(ht)
House which is on land for sale for development. Had a look around today and just about found some windows and doors under the plethora of vegetation. If you look carefully you will spot my silver grey head and camera.