After the whorendous sexual excapades with a random chick at a bar, you take your morning relief and come to find that your urine tickles as it passes through the man's dick hole. often experienced after unprotected anal sex or blow jobs where the girl was chewing copenhagen tobacco.
Jacob: man I totally fucked a chick last night after I left this bar. She was SO HOT!
Jeremy: Dude you never left with a chick last night, you ended up flirting with a cabbie because you were shit faced.
When the word sick doesn't fully explain the sheer awesomeness of a certain thing, condition, or situation. It is used to expand on the popular term by expressing how something is actually sick to mind bottling proportions.