By itself, it's a fabulously complex spicy flavor.....just potent enough to be able to pick out the more bold flavors, but it also has subtle nuances you'll never quite figure out. Taste is subjective, and everyone will get something different, so don't take my opinion as gospel. I get Cinnamon and vanilla as the more robust flavors and a complex mix of clove and nutmeg with hits of chocolate and coffee. Every bit the convoluted flavor mix we've come to expect, and appreciate, from Murdock. It's an absolutely fantastic juice!
Then...........mix it with Pluid. Holy hell, vaping nirvana!! You will swear Pluid and MMMM are friggin tailor made to be mixed together! To my palate, every single subtlety and nuance that's in each flavor is complemented by every single subtlety and nuance of the other! Then you have the other, more prominent flavors of each and, I swear, they smooth out the rough edges of the bolder flavors while enhancing the flavor itself! The first time I tried M4, I thought to myself, "Wow, this is a really good juice!". Then I tried a 50/50 mix of MMMM and Pluid and said, out loud, live on my show, "Holy s--- , this is good!".