When one or both of the female's breasts are feeling under the weather, thus resulting in violent projectile regurgitation via the nipple hole.
"Excuse me teacher... Can I please go to the bathroom? I think I have sick tits."
"Hey, why is her shirt all wet?"
"Oh, she has sick tits."
"Hey, why is her shirt all wet?"
"Oh, she has sick tits."
by Narrated by Morgan Freeman January 20, 2015