
1. Pour the grenadine into the bottom of a shot glass. 2. Carefully float the sambuca as a separate layer over the back of a bar spoon. 3. Add the Irish cream as the top layer in the same way.
The Slippery Nipple is a layered shot that became especially popular in the 1980s. Anise-led sambuca, sweet Irish cream, and a small measure of grenadine create contrasting flavors and a distinctive appearance; its original creator is not reliably known.