I had this when I was going to college and now I miss it a lot. It is a non alcoholic drink.
Find or make Irish cream soda
soda
Related Solutions
More head = less carbonation, which will change the mouth-feel of the drink, albeit largely imperceptibly for most people (myself included). Less carbonation will also change the actual perception of flavour; it will taste sweeter, mostly.
Best Answer
In the old days of soda fountains, soda was made with two ingredients: syrup and soda water. Soda water is just carbonated water, and the syrup can now be purchased for flavoring coffee and making sno cones.
You need to experiment with the proportions to get the flavor you want, but the recipe is simple.