抢一下爷毙了你抢一下娘踹死你
[qiăng yī xià yé bì le nĭ qiăng yī xià niáng chuài sĭ nĭ]
This username suggests a very aggressive and confrontational persona. It literally means 'Touch me, and grandpa will shoot you; touch me, and grandma will kick you to death.' It implies an extremely defensive or provocative attitude.