fo·zy \-zi\adjective (usually-er/-est) Etymology: Dutch voos spongy and light-textured + English -y; akin to Old Norse fauskr rotten log, Old English fūl foul — more at foul 1.chiefly Scotland, of a vegetable: spongy and light-textured : overgrown 2.chiefly Scotland, of a person a.: fat and bloated : obese b.: dull-witted and insipid : fatheaded