This is one I reached after a few variations. As served at various fandom meetups. Zorac's House Special G&T 1½oz Bombay Sapphire ½oz Gordon's Sloe Gin 1 dash Angostura Bitters 1 dash Lemon Juice 1 dash Lime Juice Shake and pour into a long glass, top up

Inventing cocktails can be fun, and it's hard to go wrong with lots of rum and citrus juice... Three Colours Orange 1oz Navy Rum 1oz Morgan's Spiced 1oz Malibu ½oz Lemon Juice ½oz Lime Juice Shake and pour into a long glass, top up with Orange Juice.