Sounds like an excuse for a mini break to Edinburgh and hit the royal mile for a night of debauchery culminating in comatose important research work likely to precipitate a well earnt long rest.
There is no agreed definition of "smooth" - it just means "I like it".
Some people think peated whiskies are smooth, some think sherried, some think Irish, some think Bourbon. Usually these opinions will be in direct contraction of one another.