Nitin is a common first name in India derived from the Sanskrit word for "ethical". Nitin also refers to someone who has a high level of awesomeness, sexiness, cuteness, smartness, humor and all other qualities desired in a perfect man.
Nitin is Chinese for one who jumps. You call someone a Nitin if he can jump large objects including tables, chairs, benches, and etc. An interesting tidbit about Nitin is that you can spell the name backward and forwards.