bub·ble·head 
(bŭbəl-hĕd′)
(bŭbəl-hĕd′)n.
A foolish or empty-headed person: "He presents antiwar protesters ... as bubbleheads who didn't even know where Southeast Asia was" (Frank Rich).
bubble·head′ed adj.
- Dutch clover
- Dutch courage
- Dutch door
- Dutch East Indies
- Dutch East Indies.
- Dutch elm disease
- Dutch Guiana
- Dutch hoe
- Dutchman
- Dutchman's breeches
- Dutchman's pipe
- Dutch metal
- Dutch New Guinea
- Dutch oven
- Dutch treat
- Dutch uncle
- utilization review
- utilize
- utilizer
- utmost
- Uto-Aztecan
- utopia
- utopian
- utopianism
- Utrecht