What you say when you are adjective deficient and under pressure to deliver an opinion usually on appearance of something or someone.
Clueless salesgirl manning a boutique asked by a customer on how a dress looks on her. After a lot of squeaking, misaligned, rusty creaking in her cranium, she says - "I think it looks cute". Gaining confidence, she repeats it - Yeah, it looks really cute. It really look cute on you.