convenient sickness disease
It's what you get when you pretend to be sick, but aren't.
"Hey honey, want to see the new Twilight movie?"
"I'd love to, honey, but *cough* I can't. *cough* *cough* I'm really sick."
"Really? Sick with what?"
"Convenient sickness disease."
*SLAP*
"I'd love to, honey, but *cough* I can't. *cough* *cough* I'm really sick."
"Really? Sick with what?"
"Convenient sickness disease."
*SLAP*