Language from another world – “tickery or tickety-boo” or ‘just going to see a man about a dog” – funny sayings. Many in England come from our nautical past.
Three sheets to the wind, a snug (in a pub), coming to a bitter end, the wind is in the offing, pipe down, by and large, groggy, aloof., A1
There are many more
“When someone says that they are going to see a man about a dog they really mean that they are unwilling to reveal the true nature of their business. The expression comes from the long forgotten 1866 play Flying Scud in which one of the characters uses the words as an excuse to get away from a tricky situation.”
Just being English – a little bit private and completely puzzling.