an alien; an imaginary person from an extraterrestrial world
Lots of cartoons depict little green men getting out of flying saucers.
You know, I'd hate to have him find out—but that little green man also reminds me quite a bit of Commissioner Tate.
I can see now how the little green man went up the chimney, for there are steps in the side, all the way up.
Several times already the little green man had had to fight for his life.
It was a narrow cleft between two rocks up which they had to come—the little green man and his woman.
Jack and Polly look sadly at one another, and then at the little green man.
After a long climb they looked over a ridge of many bowlders and much heather—the little green man and his woman close behind him.
So that at long and last he got to know that he had better give the little green man a wide berth.
Oh, you could see right away that he was afraid of that little green man.
Then, all at once, if the little green man didn't suddenly appear.
Then he looks at the little green man, who nods his head with a funny little jerk.