Compulsive Upgrade Disorder, referring to computer users who cannot keep a component for longer than a month (or less) without the need to upgrade it to something faster or better.
#1 - The first rule of C.U.D. is, you do not talk about C.U.D.
#2 - The second rule of CUD is, you DO NOT talk about CUD.
#3 - If someone says stop, backs out, retracts a sale, the upgrade is over.
a misguided attempt to explain the origins of the word fuck(which is most likely germanic). sometimes said to stand for "Fornication Under Consent of King" or "For Unlawful Carnal Knowledge", both of which are false.