a genre of rock where the lead singers raspy voice initiates a tingling feeling in the rectum area which causes the listeners butt to rock out and crap because the music is shit.
Kings of Leon, Daughtry, Nickle Back, Creed, Match Box 20, Fuel, Three doors down, stone temple pilots, greenday because they suck and they bleed butt rock
by boofont September 14, 2009
by Xristine Sistine March 22, 2010
When you fart and it doesn't quite have enough power to escape your butt crack, you have to do the crack rock until that fart bubble gets out.
by Porati September 30, 2016
Folks, haven't you ever seen the Road Runner Cartoon?
When The Road Runner takes off, his feet are moving so fast they are kicking up a cloud of dust, stones, and rocks.
When The Road Runner takes off, his feet are moving so fast they are kicking up a cloud of dust, stones, and rocks.
by Tylermahn October 06, 2006
Intransitive verb. 1)The specific ability to perform adeptly a style of rock music which includes guitars, drums, and a blues influence. 2)To surpass all contenders in excellence, ability, or fame. 3) To render all viewers speechless at one's excellence, ability, or fame.
Music. "The vintage vinyl of Bad Company that my dad gave me rocks hard."
Excellence. "Congratulations on that summa cum laude! You really rock hard, Michelle!"
Ability. "Our band really rocked hard last night, didn't it?"
Fame. "The Beatles rocked hard."
Excellence. "Congratulations on that summa cum laude! You really rock hard, Michelle!"
Ability. "Our band really rocked hard last night, didn't it?"
Fame. "The Beatles rocked hard."
by Rainwater September 28, 2007
by dj ebola October 02, 2007
did you see that guy at teds house? what a rock crawler! he has been looking in the carpet for two hours!
by jordan wayne morris August 10, 2008