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1.Most commonly used at concerts by teenagers who think they are hardcore.


2.Can used when something good happens or when in agreement with somemone.


3.Can also be used sarcastically when someone is pissing you off or yelling at you (best used with the hand motion and a serious face.) This usually implies that you dont give a damn about them or what they are saying.
1."Oh My God! New Found Glory is sooo hard core!"
::band whining::
"I know! ROCK ON(with hand motion in the air, and maybe some jumping up and down)!"


2."dude that guy gave me a 50 dollar tip by accident"
"yeaaa! rock on!"


3."GOD! i hate you! Your such a dumb bitch!"
"ohhh? ROCK ON!"
rock on by Marlee November 6, 2004
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Person 1: “I just found out I don’t have chlamydia

Person 2: Rock on!
Rock on by Sherlockword May 12, 2020
An overused symbol that basically denotes something is cool. Some show it by doing the hand motion: a pinky and pointer finger straight out, and the other three fingers held down.
Some freak: I found $5 on the street the other day.
Another freak: Really? Rock on! *stupid hand motion*
rock on by Vicious Riot June 21, 2003
GUY #1: I g2g ttyl
GUY #2: rock on!
rock on by JohnnyLurg August 23, 2011
a rock on is to get an erection
"fuckin hell luv iv got a right rock on"
rock on by h86 August 8, 2005
something that used to show enthusiasn but now is used by old preachers trying to be, "In"
rock on by ike November 15, 2003
It's fuckin dorky you dork asses.
Only ass-dorking dork asses would do this.
rock on by today's youth = durr March 17, 2005