The following were the winners of a New York 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 (or politician, your call)

 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.

 VISA LA FRANCE
 Don't leave your chateau without it.

 AMICUS PURIAE
 Platonic friend.

 L'ETAT, C'EST MOO
 I'm bossy around here.

 COGITO, ERGO SPUD
 I think, therefore I Yam.
 (OK, more than one letter.)

 VENI, VIDI, VELCRO
 I came, I saw, I stuck around
 (OK, another exception.)