Not believing nonsense from anybody.
This is Ill Nonsense.
A word to often used to describe the incompetence of people (normally females)
You are being Ill-Competent, get lurned.
I'm just writing this so hopefully, someone will put this on a mug or cup
I'm beginning to feel like I'm mentally ill
A mild illness that comes very soon after another mild illness. For example, when you have a flu and about a week before you had strep throat. The reason it's called sudden death is because it's the second round of your illness problems, as it were, and also it makes a morbid pun.
She had a sudden death illness that day, and she was sort of bummed, because that day she'd missed a big potluck at the community center.