Most commonly, in the comments of Failblog.org's FAIL videos posted on Youtube.
*Video of a person slipping on a banana peel in front of a crowd. Then getting up and walking away embarassed.*
A: Did he/she die?
B: Ye he died right after the vid stopped LOL...
A: That guy died...
B: Wha? No way... Really???
A: Jonas Brothers say yes OMGLOL!!! :D:D:D