Mountain Dew and Red Lobster are shaking things up to give customers a twist on a classic: a margarita made with Mountain Dew, available at Red Lobster restaurants. BTW, still dreaming about our last Cheddar Bay Biscuit #RedLobsterDewGarita,” Mountain Dew announced on social media. pic.twitter.com/SByIIxufg8 — Red Lobster (@redlobster) September 15, 2020“It’s big. #RedLobsterDewGarita* May not be immediately available in all restaurants,” Red Lobster tweeted. Related: New Mountain Dew flavor debuts for holiday season