you first

you first

Said when one wants the other person to try or do something unpleasant or scary before one. A: "These snails are supposed to be a delicacy. Want to try some?" B: "Yuck! You first!" A: "So, who's going to tell the boss the bad news?" B: "You first."
See also: first

You first.

an invitation for someone to precede the speaker. (See the examples.) Bill: Let's try some of this goose liver stuff. Jane: You first. Bill: The water sure looks cold. Let's jump in. Bob: You first.
See also: first