Lauren: I accidentally kissed my date on the neck! He was leaning in, so I was in route for a kiss, but apparently he was going for a hug.
Amie: Ewe Laura! You're sick!
Pagina: (Trips and falls, stands up to try to brush it off and does an awkward jig in the process. Doesn't think anyone sees her)
Pagina: Chuckles to herself.
Used to place onself in a morally superior position: "I am SICK, and tired of hearing you complain."
Used to respond to a query about one's seemingly zombiefied appearance and lack of human responsiveness (due to lack of sleep): "Don't worry; I'm SICK but it's not contagious."