"I Seriously Hope You Guys Do This"
A corruption of the meme "ISHYGDDT", which stands for "I Seriously Hope You Guys Don't Do This".
Used to show approval of a statement made by someone often on an image board.
Often preceded with a ">" to make the post greentext.
Poster1: "I know for a fact that the world is going to end in 2012"
Poster2: "Yeah, the Mayan calendar suddenly ends in 2012, so it has to be true"
>killing yourself before 2012