Substitution for "Tad bit Nippy" Used to express cold. Also has a sexual connotation, to the extent that if you were to walk into a all girls skii team locker room, and exclaim "wow, its a tit bit nipply in here" you would be beaten within an inch of your life. It can also refer to the erection of a girls nipples due to cold. see 'nippin
A gathering of drunken people for a private party. Entry requirements stipulate that participants must have at least one breast out or on display, and hence members of the 'Tit Club' are joined in universal semi-nudity.
The other rule of 'Tit Club' is: "don't talk about tit club"