People from Argentina don't like to shake hands when you first met them: it's too formal (sorry, Marga!)
Video team volunteering is extremely fun. Even directing is fun, except when the speaker decides to wander out of the talkroom just to make a point during a demo.
I won't call names, but I'm not the only one in Debian to remember how to dance the Time Warp and not ashamed to do it in public.
You can bribe a bloodthirsty deity with cheese, especially if the deity is a French one and you are in Switzerland.
A zip line is also called: tirolina (in Spanish), tyrolienne (in French) and - my all time favourite - Tarzanbahn in German, or at least in the German spoken by A. when he was a kid.
Given the number of talks about it this year, we - as a community - care a lot about newcomers, mentoring, creating a welcoming environment and community outreach in general. That's really great!
Self tagging yourself on the badge with your main interests provides conversation starters and make easier to meet new people. Many thanks to Bremner for this brilliant idea.
Cheese&Wine party is the perfect time to discuss pedagogical methods (and discover interesting projects like Sugar (desktop environment)).
During a Mao game, an extremely simple rule by a newbie can result too difficult to guess even to seasoned players. Oh the irony and the inherent democracy of that! All hail the helicopter!
Once in a while, to cook dinner for upstream and/or sit with them around a table and plan your next moves is a good idea and as well as a common practice in Community-supported agriculture.
There are people out there brave enough to stand up and declame their poems or poems they love. As a shy person, I really am in awe of them. They make a sentence like "There will be poetry" sound less threatening.
If you sleep in room 43, next door is the answer. Or the previous one, depending on the direction you're walking.