A term used to describe when a friend, family(sibling, etc.), or person is living off for free of the parent, or being treated with childly care. It doesn't have to be in terms of money, it can also be on a
emotional scale, or
what have you. Hence, "sucking
on the tit".
older brother
conversation with girlfriend:
Erika: Hey Jesse, how come you don't speak to your
little brother anymore?
Older brother: I'm tired of Ezra not having a job and my mom
taking care of him. He's 21 years old, he has to stop "sucking on the tit".
Erika: But he's still your brother :(