Tundra style espresso

My boss knows that I am a coffee fan. Recently he has become interested in making new coffee drinks based on youtube videos and was especially excited to try out this new one he found with me. Sadly the recipe was rather naff. Take coffee shot, add ice, shake and serve... So what? Who the hell wants to drink a cold cup of espresso? So after that travesty he asked me to come up with my own original concoction, something that may even become our signature drink - I'll have to get my thinking hat on.