go to see a man about a dog

go to see a man about a dog

To leave somewhere without explaining where one is going. The phrase is usually used as an obvious euphemism for going to the bathroom or going to get an alcoholic drink. And that's why quantum physics is a hoax. Now, if you'll excuse me, I need to go to see a man about a dog.
See also: dog, go, man, see
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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