The following were winners in a magazine contest in which contestants were to take a well-known expression in a foreign language, change a single letter, and provide a definition for the new expression. HARLEZ-VOUS FRANCAIS? - Can you drive a French motorcycle? EX POST FUCTO - Lost in the mail IDIOS AMIGOS - We're wild and crazy guys! VENI, VIPI, VICI - I came, I'm a very important person, I conquered. COGITO EGGO SUM - I think; therefore I am a waffle. RIGOR MORRIS - The cat is dead. RESPONDEZ S'IL VOUS PLAID - Honk if you're Scottish QUE SERA SERF - Life is feudal. LE ROI EST MORT. JIVE LE ROI - The king is dead. No kidding. POSH MORTEM - Death styles of the rich and famous. PRO BOZO PUBLICO - Support your local clown. MONAGE A TROIS - I am three years old. FELIX NAVIDAD - Our cat has a boat. HASTE CUISINE -Fast French food VENI, VIDI, VICE - I came, I saw, I partied. QUIP PRO QUO - A fast retort ALOHA OY - Love; greetings; farewell; from such a pain you should never know. MAZEL TON - tons of luck APRES MOE LE DELUGE - Larry and Curly got wet. PORTE-KOCHERE - Sacramental wine ICH LIEBE RICH - I'm really crazy about having dough. FUI GENERIS - What's mine is mine. VISA LA FRANCE - Don't leave your chateau without it. CA VA SANS DIRT - And that's not gossip. MERCI RIEN - Thanks for nothin'. AMICUS PURIAE - Platonic friend L'ETAT, C'EST MOO - I'm bossy around here. COGITO, ERGO SPUD - I think, therefore I Yam.