Used in the UK. Calling into work to get the day off for being supposedly ill.

when sumthin is beyond sick its sicky sick

Australian slang to take the day off sick from work or school when you're perfectly healthy

The accidental burping up of stomach acid, burning the subject's throat, mouth and nostrils, followed by the impulsive swallowing of aforementioned acid, all within a fraction of a second.

When you not sick sick but feel tired enough, sorta feels like you are dying

a baby name for when a person is not feeling well

Call in to work or skip school and opt out for a sick day whether you're sick or not.