1. A Chinese surname
2. A Chinese endearment/role-defining prefix that means "small" or "little".

1. [Chinese] A first name.
2. [English] A phallus.

Someone who can elicit near universal positive female sexual attention at will. A chad tends to be between an '8' to a '10' on the decile scale, has an extremely high income and/or an extreme amount of social status. A sexually active chad has sex with a wide variety of women.