when laughing at something completely retarded that the person saying it is the only one laughing at the comment while everyone laughs at the commenter.
dave: look a cheeto!
eric: i dont get it
eric: HAHAHAHAHA, dave runyan'd
A man damn near 30, who does meth ,chases pussy, and fucks farm animals.
Dude don't be a runyan, man that's not cool.