A dick with its shaft pulled back to the point in which the head of the penis is pointing downards a little. This is formally known as a "mon". Hence "Mon-Cock".
When the shaft of the penis is pulled towards the stomach to a point in which the penis head points downwards (Formally known as a "mon"). Hence "Mon-cock"
Direct translation from the french phrase: "Chicken my Rooser"
However, if not totally understood by an individual, it can literally mean what it sounds like.
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).