Airhead

[Becky]

a stupid person(i.e. there is air where brains should be)

[Mark Zuckerberg]

Whomever comes on here and doesnt know what this means, and has to look it up.

[Couch Potatoe]

air·head1
n. Slang
A silly, rather unintelligent person.

[Hina Muqadas]

1.Ignorant, stupid, dumb, idiotic person.

2.Most men who think and stereotype this as the majority of attractive women out there.

[Sonia]

1. Silly, Ditzy, and Dumb. Used as a mild insult.

2. A user of marijuana.

[Sarah]

Absent-minded, stupid, nothing up top, does simple tasks incorrectly, forgetful, oblivious to every day procedures

[PussyCat]

a person whos so stupid they cant even think. Someone whos head is full of hot air. A dumb ass.

[Dave Paprocki]

Someone who isnt very smart; a stupid person.

If your head is filled with air instead of brains, you probably cant think very well.