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A porn star who has a penis that is as hard as a rock.
Tommy rocksolid took 2 plungers to the toothless girl at the bar.
by Rocksama wantsama April 25, 2007
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Dec 1 Word of the Day
"Man fuck Donald trump, he wants to build a wall and don't pay taxes!!"
by January 30, 2017
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Being rock solid means being well grounded with someone close to you , to be close in a friendship, relationship, etc. To stay honest, and real no matter the circumstances.
He was honest in everything he did and said, we're really close friends, I told him everything and he didn't tell a soul my deepest secrets. His character is rock solid!
by Ajohnson91 October 17, 2017
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If some1 does something extremely stupid, or hypocritical, they can be said to have done a, or been rock solid.

The meaning of why you say "rock solid" is left to interpretation, it's funny any possible way.
person talks about something and is completely wrong in every way. you can then say "rock solid" indicating they are dumb/stupid.
by non-rock solid October 09, 2006
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a person who makes stupid comments and craps on about total shit.
a rock solid usually says:
dip dip
penis vagina
poofta penis
if u were my father id adopt u
by dip dip July 23, 2006
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someone who is extremely unreliable in every aspect
dude 1: nah dude, dont let john get the stuff, hes rock solid
dude 2: fucking anoying
by snitchsmack May 24, 2009
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