You better start prepping your taste buds for the burst of flavours you are about to receive from this e liquid. Key Lime Cookie is an e liquid that is part of the Sad Boy E Liquid collection, but when you give this a try sad is the last emotion you are going to be thinking about. When you take a pull of this e liquid, you will taste the tangy lime making its way in. A puckering mouth is a reaction that you should not worry too much about because the lime always has a tart flavour. As you keep savoring this potent lime flavour, you can feel the blend becoming sweeter and sweeter. You are now getting this amazing sweet and tart sensation that is coming from a pastry that has freshly been removed from the oven.