lol abuser
A person who, when chatting with text over the internet, will almose always respond to something with "lol". This person also doesn't think through what is being said.
Fred Says: Wow, tomorrow's social studies test is going to be queer
John Says: lol
Fred says: Hahah, this is a funny pic 

(Imagine a link to a funny pic here)

Fred Says: lol