Another way of saying something rules. Can be used directly in the place of "kick ass" or "kicks ass".
This new Slayer cd rocks ass!
by Soup Bone April 19, 2005
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to says something rocks ass is to say that it is glorious(good, great, grand...) in every aspect. The term can also be used when discussing the activites of homosexuals, but lets not get into detail. When using the term rocks ass never wear a backwards hat and/or a "varsity" jacket. If used correctly, "rocks ass" can be the life of any party!
Wow! This movie rocks ass!
Hoorah! Raffi rocks ass!
Wowzers! That man is an ass rocker!
HEEEEY! My new pants rock ass!
Woah! That lamp rocks ass! I absolutely have to have it!
by Fog Patrick July 3, 2006
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Well...where to begin? If something rocks ass it usually means it is very good or great (sometimes grand). However, it may refer either to a homosexual man or woman in a manner i do not wish to discuss. When using the term, rocks ass, keep an open mind and be aware that people may take it the wrong way. Be sure to give a chuckle directly following the phrase and never wear a backwads hat while using it. If used correctly, it can be the life of the party!
Wow! This movie rocks ass!
Whoopeee!!! This roller coaster is an ass rocker!
Heeeeeeey! Those booty shorts rock ass!
Wowzers! You sure rock ass at this game!
Excuseroooni sir, but you do not rock ass!
by Fog Patrick July 1, 2006
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1. A term used to describe something good that happened to you
2. Anal sex
1. Playing Doom rocks the ass.
2. Chad rocked the ass with Stacy last night.
by AcneAndAnthrax October 20, 2014
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Horrible music that the general population likes. Ass Rock is typically 70's and 80's rock music that mysteriously became popular despite how bad the song actually is.
Example 1
Guy 1: The song "pour some sugar on me" by def leppard is the best song EVER!

Guy 2: No it's not, they lyrics don't make sense, it's such an ass rock song.

Example 2:

Owner of a Lonely Heart by Yes
by barchetta03 January 12, 2012
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A rock that has an ass scent.
Human #1: Wow what's that?

Human #2: It's an ass rock!
by Sir JiggleBottom February 12, 2018
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