This is wonderful... too many good ones to pick a favorite, although the second from last is pretty great.
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?
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 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
Fast retort.
ALOHA OY
Love; greetings; farewell; from such a pain you
would 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)