"When Everyone Rage Quit"
An acronym used to make reference to all members of a group leaving at once due to anger, disappointment, or other negative emotion.
Can also mean "Winrar! Everyone Rage Quit". This means that the person posting is happy due to the above.
OP: hey /b/ros, message me anytime for fun ;)
Anon1: inb4 trap
Anon2: rule 37
OP: (has a dick)
Anon3: Everyone Scatter!
Anon5: :) mfwerq