What is [greeny-brown Sheep]?
Translates to Olive-Ewe (Olive = Greeny-Brown ; Sheep = Ewe).
Said fast it sounds like 'I love You'.
Used as a good alternative for people who aren't that good at expressing feeling out loud.
Man: 'Er...Girl...I...er...Greeny-Brown Sheep'
Girl: 'Ohh, I love you too Man'