Things that are sticking out or extending beyond the edge or surface of something.
Stickouts can be noticeable or annoying, depending on the situation.
Examples:
The stickouts on the tree make it look funny.
The stickouts on the cake were too sweet for me.
I don't like the stickouts on my sandwich.
The stickouts on his head make him look like a porcupine.
The stickouts on the building were so big, they almost touched the sky.
The stickouts on the car were so long, they looked like wings.