donkey punchのようなどんな単語でも探してください。
 
1.
A general term used to indicate suprise and/or displeasure by the "internet" set, largely referred to as Anonymous.
Two gay men are having sex.
God: "lol wtf."
goingtomoonbrbによって 2006年05月03日(水)
 
2.
A term coined by ftjer "generica" which is used to describe the feeling where you laugh but aren't sure why.

can also be used to laugh at someone's peculiar behavior.
"lolwtf"

"lolwtf you're stupid"
lolwtfによって 2005年04月14日(木)
 
3.
To laugh (maybe) at an odd moment that can be considered as a what the fuck moment.
Person 1: *sees two having sex and a shark eating them* Lol wtf was that about.
Michael Habizzleによって 2007年04月26日(木)