It may be used in text messages if you read someone's messages but don't feel like replying right now.
person1: Heya! how you doin'?
person1: Um.. Well you seem to be dead for somereason.
person1: Hello???
person2: Sorry mate! rtyl!!!!! cause iam busyatm.
person1: OKAY!!!!
n. A screenshot fabricated by a company to misrepresent the graphics of a game; a combination of the wordsbullshit and screenshot.
Originated from Penny Arcade, a popular gaming webcomic.
-Have you seen Madden 2006 for the Xbox 360? The graphics are gonna be awesome!
-Dude, the Madden 2006 images they showed at E3 were bullshots. It doesn't look nearly as good as they said.