Meaning
To feel like having a snack or something to chew on to pass the time.
Cultural Background
Koreans often use '입이 심심하다' as a social invitation. It's a humble way to suggest eating together without making it a big deal. The phrase is closely linked to the 'Anju' (drinking snack) culture. Even if not drinking alcohol, the habit of having something to chew on while socializing is very strong. In Korean traditional medicine, the mouth is connected to the heart and spleen. While not a medical term, the idiom reflects a holistic view of bodily desires. This phrase is one of the first idioms children of the diaspora learn, as it's used so frequently by parents at home regarding snacks.
Use it as an icebreaker
If you're in a slightly awkward silence with a Korean friend, saying '입이 좀 심심하네' is a great way to suggest going to a cafe or getting a snack together.
Don't use with '지루하다'
Never say '입이 지루하다'. Even though both mean bored, '심심하다' is the only one that works for this idiom.
Meaning
To feel like having a snack or something to chew on to pass the time.
Use it as an icebreaker
If you're in a slightly awkward silence with a Korean friend, saying '입이 좀 심심하네' is a great way to suggest going to a cafe or getting a snack together.
Don't use with '지루하다'
Never say '입이 지루하다'. Even though both mean bored, '심심하다' is the only one that works for this idiom.
The 'Curious' Alternative
If you hear an older person say '입이 궁금하다', they mean the exact same thing. It's a fun variation to know!
Test Yourself
Which phrase best fits the situation: You just finished dinner, but you want to eat some chocolate while watching a movie.
배는 부른데 ______.
Since you are full (배는 부른데) but still want a snack, '입이 심심해요' is the perfect idiom.
Complete the sentence using the correct form of the idiom.
공부할 때 (______) 사탕을 먹었어요.
'심심해서' (because it's bored) provides the reason for eating the candy.
Match the feeling to the correct Korean expression.
Feeling: You want to chew gum during a long drive.
Wanting to chew gum to pass the time is a classic 'bored mouth' situation.
Fill in the blank for Speaker B.
A: 우리 팝콘 좀 먹을까? B: 좋아! 안 그래도 (______).
'안 그래도' means 'as a matter of fact' or 'I was just thinking that.' '입이 심심했어' completes the thought.
🎉 Score: /4
Visual Learning Aids
Practice Bank
4 exercises배는 부른데 ______.
Since you are full (배는 부른데) but still want a snack, '입이 심심해요' is the perfect idiom.
공부할 때 (______) 사탕을 먹었어요.
'심심해서' (because it's bored) provides the reason for eating the candy.
Feeling: You want to chew gum during a long drive.
Wanting to chew gum to pass the time is a classic 'bored mouth' situation.
A: 우리 팝콘 좀 먹을까? B: 좋아! 안 그래도 (______).
'안 그래도' means 'as a matter of fact' or 'I was just thinking that.' '입이 심심했어' completes the thought.
🎉 Score: /4
Frequently Asked Questions
8 questionsUsually, it's for things you chew (snacks). If you're thirsty, just say '목말라요' (I'm thirsty). However, you can say it if you want a 'fun' drink like bubble tea.
It's a bit too casual. If you're in class, it might sound like you're not paying attention. Better to avoid it in formal learning settings.
Not necessarily. It means your mouth wants activity. You could be perfectly full and still have a 'bored mouth.'
'배고프다' is physical hunger in the stomach. '입이 심심하다' is a mental/sensory craving in the mouth.
Yes! It means you are bored and want something interesting to look at, like a movie or a book. It's a similar pattern.
Yes, it is a common expression across the peninsula, though North Koreans might use '심심하다' more often to mean 'bland' in the context of food taste.
You wouldn't really say that. You'd just say '생각 없어요' (I don't feel like eating anything) or '배불러요' (I'm full).
No, it's a standard idiom. It's informal but not 'slang' in the sense of being vulgar or restricted to teenagers.
Related Phrases
입이 궁금하다
synonymThe mouth is curious.
입이 허전하다
similarThe mouth feels empty.
군것질하다
builds onTo snack/eat junk food.
입맛이 없다
contrastTo have no appetite.
입이 짧다
specialized formTo be a picky eater / eat very little.
