Heat the olive oil in a heavy stockpot. Add the onions, celery and bell pepper and cover. Cook, stirring occasionally until the onions are soft. Add the tomatoes, vegetable juice, hot sauce, and lime zest and bring to the boil. Reduce heat and simmer for 15 minutes. Let cool slightly, then puree the soup in batches in a blender. Return to simmer for 10 more minutes. add the lime juice, Worcestershire sauce, salt and pepper and if desired, a half shot of vodka. Stir well.

Pour the soup into individual bowls and garnish with corn kernels and a dollop of guacamole.