Often said in a sarcastic tone.

A more direct and fancy way of saying- "Don't humor yourself. You're not as witty, smart, or funny as you'd like to think."
Person 1: Hey, hey, listen to this one. Do you know how I got out of Iraq?........IRAN! (bwahahahaha)

Person 2: *rolls eyes* Your wit astounds me.

Can also be heard in the greatest female coming of age movie ever made, Now and Then.
by stereoscope April 10, 2011
Get the your wit astounds me mug.