Definitions

1. interjection

an expression of frustration, disappointment, or exasperation

“After tripping on the sidewalk, he let out a loud ‘doh’.”

2. noun

a foolish or silly person

“He’s such a doh for forgetting his keys again.”

3. verb

to make a foolish or silly mistake

“I don’t know what happened, I must have doh-ed again.”