You say the thing that always gets a laugh. Nothing. A polite haha, or worse, a sincere reply to a line you did not mean sincerely. If you talk to strangers from other countries often enough, this happens weekly. It is not a sign that you are unfunny or that they are humourless. It is a sign that humour is the most locally made thing we carry, and it does not survive export without help.
What actually breaks
It is worth being precise, because different failures need different fixes.
- Wordplay dies first. Puns live inside one language. If your joke depends on two words sounding alike, it is untranslatable by definition, and your partner will spend the next ten seconds trying to work out whether they misheard you.
- References need a shared childhood. A line from a sitcom, an advert everyone in your country can quote, a politician's catchphrase — these are funny because of what they drag in behind them. To someone else they are just a sentence.
- Sarcasm needs tone, and text has none. Even on voice, an accent you are not used to flattens the ironic lift that marks a sentence as not-serious. The same joke that reads as deadpan in your city reads as rude or simply confusing somewhere else.
- Timing gets eaten by lag. A punchline that needs a half-second beat before it lands does not survive a connection that adds a full second at random. You deliver, they pause, you assume failure, you explain, and the explanation kills it.
- The norms differ. Teasing a new acquaintance is friendly in some places and insulting in others. Mocking yourself hard is normal in some cultures and alarming in others. Joking about your own government is routine in some rooms and genuinely risky in others.
The one-sentence repair
When a joke misses, the instinct is to explain it. Explaining a joke is fine. Explaining it for forty seconds is not. The repair that works is short, cheerful and moves on immediately: "Sorry, that was a pun, it only works in English." Or "I was being sarcastic there — I actually love that film." Then ask them something. The goal is not to recover the laugh. The laugh is gone. The goal is to stop them feeling stupid, because that is the real damage: a stranger who thinks they have failed a test will get quieter for the rest of the call.
One more thing to drop: the phrase "you had to be there." It is true, but it tells the other person there is a room they are not in. "That's funnier in my head than out loud" does the same job and keeps you both on the same side.
The kinds of funny that survive
Some humour crosses borders reliably, and it is mostly humour about the thing that is happening right now, to both of you.
- The situation itself. Two strangers, a slightly frozen video feed, neither knowing what to say. Naming that is funny everywhere, and it requires no shared culture at all.
- Small physical absurdity. Your cat walking across the keyboard. A delivery arriving mid-sentence. These are universal and they are also free — you do not have to be clever, just willing to narrate.
- Mild self-deprecation about something visible. Your terrible pronunciation, your inability to remember a word you definitely knew yesterday. This builds trust rather than spending it.
- Exaggeration. It translates better than irony because it does not depend on tone to signal that you are joking — the size of the claim does that work.
When they are the one joking
This is the harder side, and the more generous thing to get right. If a stranger makes a joke you do not understand, the worst responses are the fake laugh and the blank silence. The fake laugh invites more of the same and you drift further out of your depth. Silence reads as disapproval.
Say the true thing, lightly: "I think I missed a reference there — what is that?" Most people enjoy explaining their own culture far more than they enjoy being laughed at correctly. You will learn a show, a saying, a national running joke, and you will have given them a small gift: proof that you were listening closely enough to notice you had missed something.
Humour between strangers is less about being funny and more about building the shared ground that funny needs. Early on, you have almost none. Twenty minutes in, you have a few private references — the frozen screen, the cat, the word you could not remember. That is when the jokes start landing. Not because you got better, but because you built the room they live in.