These are the winning entries of a New York Magazine contest who
were asked to take a well-known expression in a foreign language,
change a single letter and provide a definition for the new expression:

RESPONDEZ S’IL VOUS PLAID:
Honk if you’re Scottish

HARLEZ-VOUS FRANCAIS?
Can you drive a French motorcycle?

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.

QUE SERA SERF:
Life is feudal

LEROI EST MORT, JIVE LEROI:
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

HASTE CUISINE:
Fast French food

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

CARNE DIEM:
Seize the meat