something to tell the kids about
A big event in one's life (usually exaggerated) a phrase mostly used by people who've yet to procreate and want to express their amazement on a happening.
Evan: Wow did you see Nick play that touch down?
Harvey: Yea, that's certainly something to tell the kids about.
Evan: Hell yea.
Harvey: Yea, that's certainly something to tell the kids about.
Evan: Hell yea.