Top definition
the act of excitedly freaking out over something you found out later than your friends.
Girl: "Wait, Anna Paquin was in that horror flick Trick r' Treat?"

Guy: "Uh...yeah, did you think True Blood was her only acting role??"

Girl: "OH MY GOD!!!! THAT IS SOOOO COOLIO! I LOVE ANNA PAQUIN!!!!!!"

Guy: "Wow....late flailing much?!"
by AmbyMT December 28, 2010
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