When an individual realizes that the story they're telling makes them look incredibly stupid, and attempts to counteract this effect by quickly explaining that the activity being described occured during childhood, or at least a decade prior.
Dave: So, I had this funny habit of collecting the prettiest fall leaves I could find, but in the end, it...I mean...well, I was 11 at the time, so you understand.
Bill: You just gave a YouthScuse. I saw you collecting autumn leaves three weeks ago.
Bill: You just gave a YouthScuse. I saw you collecting autumn leaves three weeks ago.
by Big Erik April 6, 2009