Someone who is very submissive. Anyone who has the name Miku is automatically a bottom by birth.
"That person over there is named Miku, she's honestly such a bottom."
"I know right, it's in their blood!"
A person who takes on the submissive role in the bedroom.
Person 1: "Cat Valentine is such a bottom."
Person 2: "I know. Jade tops her every episode."
In a homosexual relationship, it means who is underneath the other person in sex.
Synonymous: Louis Tomlinson.
—So Harry Styles, for being the younger in them relationship, is the bottom, isn't he?
—No, absolutely not. He's the top. Louis Tomlinson is the softest person ever.