The Blitz referes to the
Season 5 of
How I Met Your Mother, when one person leaves the group for any period of time and something amazing happens. You can pass on
the Blitz from being part of the group when somthing amazing does happen, but another person from the group had to leave between 2-30 minutes prior to that amazing thing happening.
Jamie: Barney! where did you
go you missed it!
Luke: Missed what?!
Adam: That awesome
beerpong shot!
(Prior Blitz)Aaron: yea and i was there!
Luke: Awwww man!!
(Luke becomes
the blitz)