Vicio is the burger delivery service taking Spain by storm. Every influencer worth their salt has posted a picture chowing down on one of their burgers, and their stickers have spread like ketchup on fries.

When we were tasked with creating a campaign to launch their TikTok, we discovered a hidden gem: the allergy section in their ordering system was being used as a space for customers to write all sorts of weird and wonderful messages to the brand.