"Schlepp" is a versatile term that can be used to describe carrying or dragging something around in a laborious or awkward manner. However, if you're looking for some synonyms to use in your writing, there are a few options to choose from. For example, you could use "lug," which conveys the same idea of carrying something with effort. Alternatively, "heft" might work if you want to emphasize the weight or size of the object being carried. "Haul" is another option that suggests the difficulty of moving something from one place to another. Ultimately, the exact synonym you choose will depend on the context in which you are using "schlepp".