Welcome to The Answerbank, JosiahGA.
Given that all food and drink preferences come down to personal tastes, there can be no single answer to your question. Further, what's really popular in one part of the world might not be be so well-liked elsewhere.
Your time of post (2.20am,here in the UK, where this website is based), together with the 'GA' (Georgia?) in your username, suggests that you might well be in the USA. Here's a list of what's particular popular in the UK
https://www.bbcgoodfood.com/howto/guide/top-10-most-popular-cocktail-recipes
While some of those cocktails (such as Piña Colada) are popular throughout the world, others there (such as Pimms) might have most of their fans in the UK.
My own choice might be a Margarita or almost any other tequila-based cocktail:
https://www.thespruceeats.com/top-tequila-cocktails-to-try-760887