Press your lips together. Air flows through your nose. Vocal cords vibrate.

Americans pronounce mood as MOOD (/mud/). You'll hear it in sentences like "The rude dude made a crude mood adjustment" or "The doom and gloom mood ruined the afternoon" — more examples below.
Record yourself saying "mood" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 3 sounds. Explore each sound's mouth shape and how it's made.
Press your lips together. Air flows through your nose. Vocal cords vibrate.

Round your lips into a tight circle. Let your tongue rest in the middle of your mouth, slightly raised.
Touch the tip of your tongue to the roof of your mouth just behind your teeth. Add vocal cord vibration as you release.

Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
The textbook way isn't wrong — it's just not how anyone actually says it.
In "mood", the "d" is not released — the articulators get into position but hold without the burst of air. Air stops but there's no release burst — the articulators hold position.