Liberal Dictionary English Dictionary
noun
- Slang. a scatterbrained, stupid, or simple-minded person; dolt.
noun
- military an area secured in hostile territory, used as a base for the supply and evacuation of troops and equipment by air
noun
- slang a stupid or simple-minded person; idiot
“empty-headed person,” 1972, from air (n.1) + head (n.). Earlier as a term in mining (mid-19c.) and as a military term based on beachhead (1950).