Example 1:
Guy 1: Dude, why did you senselessly murder that guy with an axe while listening to Huey Lewis and the News?
Guy 2: Ah, you know, for the lulz.
Example 2:
Guy 1: So, you were playing
World of Warcraft till 4:00
in the morning just so you could follow
that one guy around and annoy him?
Guy 2: Yeah.
Guy 1: ...
Guy 2: For the lulz.
Guy 1: Get help.