Swiss German is a language that officially doesn't exist. It has no standard spelling, no grammar book everyone agrees on and no interest in either. The Swiss write Standard German and speak something else entirely: a family of Alemannic dialects that Germans themselves often need subtitles for.
Inside that unwritten language live words that translate into nothing. Here are ten, each carrying a small piece of how this country actually works.
1. Chuchichäschtli
Little kitchen cupboard and the national pronunciation test. Three throat-clearing "ch" sounds in one household word. Outsiders fail it; the Swiss enjoy watching. Full story here, shirt here.

2. Gopfertami
The national curse: "God damn me," eroded by centuries of use into something you can say in the office. Strong enough to relieve pressure, mild enough to keep the peace. Very Swiss engineering. Explained here, worn here.

3. De Füfer und s Weggli
"The five-cent coin and the bread roll": wanting to keep your money and get the pastry too. The Swiss version of having your cake and eating it, except with better banking. Used on children, politicians and anyone negotiating a raise. It's on a shirt, naturally.

4. S'isch gnueg Heu dunde
"That's enough hay down there": farmer-speak for enough is enough, stop now. Originally shouted up at whoever was pitching hay from the loft. Today it ends meetings, arguments and second helpings. We printed it with the fuse already lit.

5. Das schläckt kei Geiss wäg
"No goat will lick that away", meaning a fact is a fact, undeniable, not going anywhere. Nobody knows why it's a goat. Everybody agrees the goat is final. Goat available here.

6. Röstigraben
"The rösti ditch": the invisible line between German- and French-speaking Switzerland, named after a potato dish. Two language regions, one country, measurably different voting patterns, all summarized by fried potatoes. Only Switzerland maps its cultural divides in food.

Photo: Abi Skipp, CC BY (Flickr)
7. Znüni
The 9 a.m. snack, with its 4 p.m. sibling Zvieri. Not "a" snack: the snack, institutionalized, with its own name, observed on construction sites and in kindergartens with equal seriousness. A country that schedules its spontaneity.

Photo: the_moment, CC BY (Wikimedia Commons)
8. Bünzli
The person who reports your laundry for running at 22:04. Rule-follower, hedge-trimmer, form-filler: the affectionate-ish insult the Swiss use for their own worst tendencies. Every neighbourhood has one; every Swiss person fears becoming one.
9. Chrüsimüsi
A beautiful word for a total mess, whether papers, plans or life in general. The affection in the sound tells you something: even Swiss chaos is kind of cozy.
10. Heimatort
Your "place of origin": the commune your family legally belongs to, possibly for centuries, even if nobody has lived there since Napoleon. It's printed in every Swiss passport and most Swiss have never visited theirs. Belonging, bureaucratically guaranteed. The most Swiss concept of all.
What the list adds up to
Read the ten together and a picture forms: a culture that files its chaos neatly, swears without offending, snacks on schedule, distrusts anyone wanting the coin and the roll. And it tests newcomers with a kitchen cupboard.
That's the Switzerland we print. Not the postcard, the language. Five of these ten are in the GRATLINE collection: organic cotton, plainly set type and a story to tell whenever someone asks what your shirt means.
Start with the pronunciation test. Everyone does.