Newsweek magazine has declared 1984 the "Year of the Yuppie," even though the Yuppies couldn't get their man, Sen. Gary Hart, nominated for president. And the usual speculation about Time magazine's "Man of the Year" cover has the heavy money betting on Geraldine Ferraro . . . Spanish band leader Xavier Cugat, famous for his bouncy Latin music and equally bouncy young wives, is in intensive care in a Barcelona, Spain, hospital with heart and lung problems. He was born New Year's Day 1900 . . . House Speaker Tip O'Neill and television celebrities Andy Rooney and Barbara Walters are winners of TV Guide's J. Fred Muggs awards, given annually for the worst goofs, gaffes and bloopers on television. O'Neill won for ordering House television cameras to show the entire chamber when Republican congressmen were making speeches to an empty house; Rooney for walking out in the middle of a speech to the Alaska Press Club because a local TV crew was taping his remarks; and Walters for asking Mr. T if he had ever killed anyone . . . Hollywood reporter Vernon Scott has some Christmas presents for famous personalities: Elizabeth Taylor, a lasting eighth marriage; Michael Jackson, a matching sequined glove; "The Love Boat," a torpedo; Geraldine Ferraro, a new accountant; Bo Derek, a Disney movie; and Santa Claus, a weekend with Linda Evans . . . Merry Christmas to all and to all a good night . . .