Symptoms include cracked screen app, water(often of the toilet variety) damage, "it wont turn on or charge or i don't know why", "i lost my phone", or "my phone got stolen, i hope no one finds those pictures".
Beware Siri has a direct line to the DBG and, frequently notifies the DBG upon receiving dumb questions.
Dude2 - "really man? thats like her 3rd one this year"
Dude1 - "serious dude, the Dumb Bitch Gnome has it out for her"