When you return to your computer and someone has unexpectidly changed your wallpaper to the trashiest porn pics possible including; fat chicks getting fingered/fucked, beastiality, gay porn, granny porn, double penetration/fisting,etc.
Person 1: Dude whats wrong with you today, you seam really down???
Person 2:I just got browser fucked by my roomate.
Person 1: Oh shit man,really sorry to hear that. What was on your wallpaper?
Person 2: A gay 400 pound chinese man getting double fisted by three 90 year old women who were getting fucked by a horse.
Person 1:(begins throwing up)