Translation of Nachmacher

It actually happened to my cousin's youngest kid. He was repeatedly warned not to smoke in the courtyard of the school. At the end he found himself expelled from the school. It could have been an interesting experience for him though.
I had never heard the phrase before. In America, there are also different idioms than here in England. It seems that the Americans say it differently than we do here in the United Kingdom.
Was great to see you again, thank you for the meeting. But I have seen that the 'Unicomercer' in Cairo already had a contact person or a representing company. What should I do? Contact them anyway?