term used to emphasize seriousness; not joking

Korean fob term in League of Legends

seriously, for real

Simply discribing something that is not fake

The act of being emotionally finished with someone or something to the point of violence.

the utmost apology.

This is used to emphasize your saying sorry in an apology, it makes it more believable and compassionate.

Down to Earth; Authentic. Typically defined by not letting wealth or fame make you forget who you are and where you came from. In the context of relationships, it means that you stayed true to your significant other and did not cheat or break their trust. It can also mean that you don't let things like social status or economic status change the way you treat a person.