The term 'EYE SLYLY' can be solved by two crossword solutions: OGLE (4 letters) and PEEPAT (6 letters). OGLE is a verb meaning to look at someone or something with strong interest, often in a way that is considered rude or inappropriate. PEEPAT is an informal verb meaning to take a quick look at something, usually in a secretive or sly manner. Both words are related to the concept of looking at something slyly with one's eyes.