1 ½ cups chilled tomato and clam juice cocktail (such as Clamato®)
1 cup chilled ketchup (such as Heinz®)
1 bunch fresh cilantro – stems discarded and leaves chopped
2 tablespoons hot pepper sauce (such as Valentina®)
2avocados – peeled, pitted, and chopped
Mix onion with lime juice in a small bowl and allow to stand for 10 minutes. Meanwhile, toss shrimp, roma tomatoes, cucumber, celery, jalapeno, salt, and black pepper in a bowl until thoroughly combined.
Whisk tomato and clam juice cocktail, ketchup, cilantro, and hot pepper sauce in a separate bowl; stir dressing into shrimp mixture. Gently fold in avocados. Cover and chill thoroughly, at least 1 hour.