Goober (noun)

1. A peanut.
2. A foolish or simple person.

Origin:

Of african american origin, possibly from angola word n-guba.

Examples:

1. She ate a handful of goobers as a snack.
2. He acted like a complete goober when he tripped on the sidewalk.
3. Peanut butter and goober sandwiches are a common lunch choice for children.
4. Goobers are a popular snack food at baseball games.
5. I can't believe he forgot his own name, what a goober.