Yup, it's a Hawaiian thing. Somebody from Hawaii posted some really tall runners and what they pretty much did was either mod a tacoma lift to fit or did other mods to jack the trucks way up high. Although some rock/lava crawl out there, I believe their trucks are more show than anything (according to some of the threads I've seen).
To each his own but I thought some of them looked pretty cool. The thread got flamed like crazy on this board about uselessness but for someone that comes from an environment where show is not a bad thing, it was fine for me. Here's a couple of the threads:
http://www.yotatech.com/showthread.php?t=67134
http://www.yotatech.com/showthread.php?t=67132
http://www.yotatech.com/showthread.php?t=67133