via The 10 funniest Danish expressions and how to use them – Telegraph 

….and a ‘clarification’ on some of the idioms discussed in the article from the comment section by Lars Rønnow Larsen (http://disq.us/p/vsw840)  and Nick Brockdorff (http://disq.us/p/vsgee8).

“Tak for kaffe (thanks for the coffee), is the danish version of “this is too much, I am out of here” – and since danes ALWAYS drink coffee when they socialise, the exclamation is derived from a popular way of saying goodbye” (Brockdorff, 2015).

References:

Russell, H. (2015). The 10 funniest Danish expressions and how to use them. Telegraph. [online] Available at: http://www.telegraph.co.uk/expat/expatlife/11461198/The-10-funniest-Danish-expressions-and-how-to-use-them.html#comment-1922245856 [Accessed 29 Jul. 2017].

Brockdorrf, N. (2015). Comment on “The 10 funniest Danish expressions and how to use them.” Telegraph. Comment posted 2015 [online] Available at: http://disq.us/p/vsgee8 [Accessed 29 Jul. 2017].