Hitting rock top means you have just experienced the greatest moment in your entire life. Truly, a moment that you will never forget. This is the polar opposite of rock bottom.
Sam: Mom, I just passed the bar exam. I just hit rock top.

Mom: Good job Sam! We'll have to celebrate!
by PWS27 April 24, 2017
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When you do something so shameful that you should've been "hitting rock bottom", but it was absolutely hilarious, so you're considered to hit ROCK TOP instead.
She pissed on a hippy last weekend. She hit rock top.
by Milkshakemoustache May 28, 2015
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The act of inflecting a great blow to another persons head.
"A did you see the fight last night?"-Person 1

"yeah, pretty boy Floyd rocked his top!!"-Person 2

Or

"A chill out wit all dat before i rock yo top"-T.J. Booga
by TJ Gage May 14, 2008
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When you give a guy top while you have pop rocks in your mouth
Excuse me madam, would you care to give me some top rocks?
by 01018474 January 18, 2021
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