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Forgetful or inattentive of everyday details or duties, possibly due to a preoccupation with other thoughts. My absent-minded housemate is always lost in composing new poems and never remembers to clean the house or take out the trash!
An otherwise intelligent person who often lacks common sense or forgets or overlooks important details. Louis is brilliant, but he's such an absent-minded professor when it comes to remembering to attend important meetings.
slang Petulant and argumentative in nature. Primarily heard in UK, Australia. I hate spending time with bloody minded people who have a pessimistic response to all of my ideas. Don't listen to him—he's just bloody minded, and his argument doesn't even make sense.
mind (one's) p's and q's
To be polite and display good manners. Be sure to mind your p's and q's when you visit your aunt this weekend! The mother reminded her young children to mind their p's and q's when they went over to their friends' houses for play dates.
mind (one's) own business
To not interfere in someone else's affairs; to not pry or be nosy. Often used as an imperative. Mind your own business, will you? I can take care of my problems just fine. I really wish she would mind her own business and stop asking me about my finances. So there I was, minding my own business, when the security guard comes over and starts asking me all kinds of questions.
a bumbling professor who overlooks everyday things. Fred is such an absent-minded professor. He'd forget his head if it wasn't screwed on.
mod. having a tendency to see the lewd or obscene aspects of anything; having a tendency to place an obscene interpretation on the words and actions of others. Sam is sort of dirty-minded, but he wouldn’t do anything really vile.