look up any word, like blumpkin:
 
2.
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.
by sucubuswraith July 04, 2009
 
1.
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
dave: HAHAHAHAHA
eric: HAHAHAHAHA, dave runyan'd
by JOW~GERILLA August 23, 2009