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!"
by Marlee November 7, 2004
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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*
by Vicious Riot June 22, 2003
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GUY #1: I g2g ttyl
GUY #2: rock on!
by JohnnyLurg August 20, 2011
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a rock on is to get an erection
"fuckin hell luv iv got a right rock on"
by h86 July 19, 2005
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something that used to show enthusiasn but now is used by old preachers trying to be, "In"
by ike November 15, 2003
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It's fuckin dorky you dork asses.
Only ass-dorking dork asses would do this.
by today's youth = durr March 17, 2005
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verb

originates from the song Fergalicious sang by, shock, Fergie. It means to make a person of the male specimen excited...down there

aka to make them hard. rock? hard? get it? HAAaaa!
Fergie: I blow kisses, that puts them boys on rock, rock

Random Ho #1: I totally put him on rock-rock while we were grinding to that song
Random Ho #2: You slut! Can we get drunk and pass out again now?
by _God December 10, 2006
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