To say that someone really sucks and is a hacker.
Sophies Hut Background omgwtfbbqhax
it stands for "Oh My God!! What the Fuck?! BBQ Hacks!!" BBQ Hacks are outdated hacks for a game
MentosWizard: Hey Clerix, watcha doin?
Clerix4Ever: Testing out my hacks!!
MentosWizard: xO omg nothing's happening!!
Clerix4Ever: Dx< They're not working