oral sex, whether it be consensual or not ei: "a conversation with his/her privates"
1) often used in euphemism to ask if someone would like to give you for oral sex.
2) alternatively, a covert way to inform someone that you are quite displeased with someone and would like to shove your privates into their face
1) It's kindof crowded in here... you wanna go someplace else for a private conversation?
2) Nick: What are you guys whispering back there? Is it a private conversation?
Joe: How 'bout I come up there and shove my balls in your face? Then it'll be a private conversation!!
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).