A picnic jug is a great way to transport drinks and keep them cool during outdoor activities. If you're looking for synonyms for a picnic jug, there are a few options to consider. For example, a cooler, thermos, or insulated flask could all be used to keep drinks at the perfect temperature during a picnic. Additionally, a drink dispenser, carafe, or pitcher could also work well as a container for drinks. Ultimately, the key is to find a container that is practical and functional, while also fitting your aesthetic preferences. With so many options available, you're sure to find the perfect synonym for your picnic jug.