Also written handwaving. In formal conversation / speech omitting important details about the subject matter either because 1) the audience is perceived to be ignorant 2) the speaker themselves is not well-informed on the subject matter or 3) a little from column A and a little from column B.
The math professor only gave a partial description of the proof as she used hand waving to get through the most difficult part and told the students to study the remained of the proof at home.
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Attempting to get past a moment when a difficult explanation is required.
His project was late and all he could offer was some hand waving.
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1. Navy slang for semaphore
2. The crude pidgin language adopted by vastly intelligent scienticians when trying to explain complex ideas and theorems to a normal person with only average intelligence or less.
The radio was broken, so the crew of HMS Ipswich had to rely on Hand Waving.
With a lot of Hand Waving, professor Auld was able to explain to Helen the importance of 2+ 3+ alternate magnetic coupling in an antiferromagnetic arrangement.
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the motion of moving the hand back and forth. Used as a nonverbal sign of greeting or farewell between two people
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Saying hello by waving your hand.
I waved at Susan as I walked past her.
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1. evil gesture before a button is pushed opening a trap door beneath the person, sending them to a fiery death
2. Saying goodbye (forever)
I did a little hand waving before I let the man know he was being sent to my hell pit below him.
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someone using hand waving as an insult or someone says handwaving and you turn it into an insult
i waved my hand at you. well im waving my hand up yo ass
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