Dimmu Borgir-Puritania, The line "On defenseless soil" sounds like "on pantsless soil" because the singer doesn't pronounce the "d."
The webstie is
www.kissthisguy.com
With my luck, they've shut down and I linked to a gay porn site.
My favorite from my brother, he heard "Gettin' jiggy with it" as "Get a chicken with it."
Another one, from In Flames-Episode 666 live in Koln '96, the real line is "This is episode six six six, destination chaos" In the live version, some people say he's saying, "This is episode six six six, super posterior chaos" Sounds like some sort of intestinal problem, doesn't it.