The act of going drinking at a Hooters establishment, getting intoxicated and then calling in sick the next day. These flu like symptoms quickly appear after these Hooters visits and then magically disappear two days after said visit. Hooters flu is not contagious and only lasts for one business day.
"John Doe" goes drinking at Hooters Sunday to watch football.
Monday he emails the team:
"I'm not feeling well to attend work today, will take the day off"
This is a case of "Hooters Flu"