To extend out from the surface or area around it.
It can make people think of something different or unusual.
Examples:
The cat's tail will stickout when it is scared.
I don't like it when my socks stickout of my shoes.
The flower will stickout from the ground.
His ears stickout like a rabbit's.
The giraffe's neck can stickout very far.
The tree's roots stickout from the ground.