prth
Stands for positively responding to humor. It's for when you find something funny, but don't actually laugh, so lol would be a lie.
Guy 1: <insert funny, but not laugh-out-loud funny statement>
Guy 2: prth
Guy 2: prth
Prth Joke!
An ill-constructed joke that everyone laughs at for its pure stupidity and dick-headedness. Will soon be the most overused internet meme. February 23, remember that date.
Ben: Hey guys, guess what? Abercrombie comes from Iraq! XDXD LMAOLMAO
Dover: LOL XDXD
Niao: PRTH JOKE!
Dover: LOL XDXD
Niao: PRTH JOKE!