Something that does not fit in with a group, area, or situation. Something that is not cool, stands out, does no good, unwanted.
Man that teacher gives so much homework on the weekend he is airy.
You see that girl? She looks good from far away but up close she is airy!
He don't got no car, no job, and no money. he is airy.
"Oh, Sir Hendrikx, it's so lovely AIRY up here! It's cool!"
"He held a speach that deserves to be called AIRY."