Short and thick is a phrase that denotes something that is compact and has a large girth. Synonyms for this word combination can include descriptions like stocky, squat, stubby, and bulky. When someone is describing a person who is short and thick, they might use terms like chunky, hefty, beefy, or sturdy. If discussing physical objects, terms like squat, solid, stubby, or chunky might fit the bill. In either case, it's the idea of having a thick and compact shape that stands out, and there are many words in the English language that can describe this type of form.