A shrewd, cutting, or subtle humor or wit. Also referred to as "Attic wit." Marianne was known to pepper her conversation with a bit of Attic salt, so she was quite popular at dinner parties.

A shrewd, cutting, or subtle humor or wit. Also referred to as "Attic salt." He lays on the Attic wit a bit too often for my taste; I can never tell when he's being serious.

To be crazy; to act, think, or behave in an eccentric, foolish, or nonsensical manner. Tommy must have toys in the attic if he thinks he can convince our mother to let him get a tattoo for his birthday. There's an old lady who stands on the corner yelling at strangers all day. I think she might have toys in the attic.

slang Mentally impaired, either due to stupidity or intoxication. In this phrase, "attic" is used as a synonym for "one's mind." I have no idea what I told you last night—I'd been at the pub for a while before you got there, so I was a little queer in the attic. Is he queer in the attic? How could he make such a reckless decision?