With Mother's Day coming up on May 13, you may find yourself pondering what it actually means to be a mother. But if you ask Siri to define the word, you might be in for a shock.

As some Reddit users recently learned, asking Apple's voice-controlled personal assistant to define the word "mother" yields a shockingly inappropriate second response.

"As a noun, it means 'a woman in relation to a child or children to whom she has given birth' do you want to hear the next one?" Siri responds. If you say "yes" to hear the next definition of the word, things will get weird.

"As a noun, it means 'short for motherfucker,' want to hear one more?" Siri the potty mouth replies. If you have an iOS device, you can try it out for yourself; if not, check out the video below.

Apple did not immediately respond to PCMag's request for comment. As Gizmodo points out, Siri appears to be getting the distasteful response from the Oxford Dictionary, which offers "short for motherfucker" as the second definition of the word.

Siri is known for its sometimes sassy answers. Ask Siri "what's zero divided by zero?" and you're in for an earful:

"Imagine that you have zero cookies and you split them evenly among zero friends," Siri says. "How many cookies does each person get? See? It doesn't make sense. And Cookie Monster is sad that there are no cookies. And you are sad that you have no friends."

Meanwhile, a viral prank last year encouraged people to say "Hey Siri, 108" into their iPhones. Turns out, 108 is India's equivalent to 9-1-1, so if you say that number to Siri, it will put you through to emergency services in your area. Law enforcement agencies urged users not to fall for the prank, warning it could tie up emergency services.

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