Learn what does it mean that you will see someone under the tail or that you meet at Stalin's, get to know the local cuisine and look into famed pubs.
If you want to have the best experience, prepare a Czech beer in the fridge, for example, Staropramen or Krušovice are available in Scotland.
And here are some easy nibbles/dishes (such as: open sandwiches, potato pancakes, marinated cheese or something sweet such as God's Grace.