Doc: We need to operate on your colon lol, you have cancer.
Jesus: Take this all of you and eat it, it is my body, lol.
Me: Will you marry me? Lol.
^Lol theory in action
It is the ultimate end to the "o rly?" chain of words. It can be used in any position of the "o rly?" chain, but is most often used after "no wai!".
Some have theorized that "lmao?" can possibly be used in this situation, but its been agreed that "rofl?" is not possible to use in any situation. In rare cases people use "lqtm?" but that is used mostly by fags, but also by Dimitri Martin.
This is the easiest way to piss someone off on the internet: Just reply "lol?" to whatever they say
Dude you suck!
I'm so fucking leet.
Tila Tequila is so hot.
She's got a nice ass
I have cancer guys... seriously
Coke is better than Pepsi!
Examples of lol? Theory