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have (something) on
To be busy or engaged with something; to have plans to do something at a particular point in time. Bob: "Do you want to come around on Sunday to watch the big game?" Janet: "Sorry, Bob, I've got something on that evening." I've got a few things on at the moment, but business has been pretty slow overall.
have (something) on (someone)
1. To have incriminating or unfavorable proof against someone, as for some crime, wrongdoing, or misbehavior. Go to the police, for all I care! You don't have anything on me! If we want to nail him for fraud, we'll need to have more on him than a few questionable phone calls.
2. To have a particular advantage over someone. You may think you can beat me, but I've got 10 years' experience on you.
1. have something on. See have nothing on, def. 3.
2. have someone on; put someone on. Deceive or fool someone, as in There was no answer when I called; someone must be having me on, or You can't mean you're taking up ballet-you're putting me on! [Colloquial; mid-1800s]
1. To be wearing something: The dancers had on red shoes. The snowman had a scarf on.
2. To carry something on one's person: Do you have a toothpick on you?
3. To have something scheduled: We have a dinner party on for Friday. Do you have anything on for next weekend?
4. To possess information, usually damaging, about someone or something: Don't worry—the investigators have nothing on you. Anything they have on us won't hold up in court.
5. To tease or mislead by suggesting something is true: Did you really have dinner with the president, or are you just having me on?