meaning "Go Ahead!" (from the french) Used to encourage someone, pronounced: vah-zee
A: I have stage fright, I don't want to go on stage!! I'm too anxious...I can't get on stage without a drink !...

B: Yes you can!! Vas-y !!

A: No!

B: Vas-y! Vas-y!
by vas-y! August 21, 2009
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(In French: Go Francine!) The art of fucking a French cougar mother with big fake boobs and retightened vagina without breaking her artificial ankles.
FRÉDÉRIC: My mother couldn't walk this morning, she has the ankles broken.
DANIEL: Yes, I know, we tried a Vas-y Francine! last night.
by Frenchmoilesac May 2, 2018
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The art of fucking a French Cougar woman with big fake boobs and a retightened vagina without breaking her new artificial ankles.
FRÉDÉRIC: My Mother couldn't walk this morning, she has some problem with her ankles.
DANIEL: Yes, I know. We've tried a Vas-y Francine, last night.
by Frenchmoilesac May 1, 2018
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