Just launched! Learn slang while watching funny vids: urbandictionary.tv
1. no you first
The unpopular and unrecognized follow up to the retaliatory phrase, "no you". And normally followed by "no you before me".



Dude1: "Dude, your totally gay"
Dude2: "No you!"
Dude1: "No you first!"

Optionally:

Dude2: "No you before me!"