“Have a great summer” You use it when writing to someone, for example, at the end of the school year you write “hags” in someone’s yearbook
Hags! See you next year!
Evil old man, considered frightful or ugly.
Jason is such a hag. He scares small children at Halloween.
when you reach the age of 18 years old on twitter, you’re officially a hag
“you know daniel?”
“yeah we’re friends”
“eww he’s a hag”
“he is 19!”