It's a great compliment. It means that you are someone that they can confide in, open up to, rely on.You support them when they fall. That person holds them together no matter what.
"You're my rock"

An example from a song by Beyonce:

"You are my roc,baby your the truth
You are my roc, I love to rock with you
You are my roc, Your everything I need
You are my roc, so baby rock with me"
by Baaaaker April 24, 2009
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1. in a ruined condition

2. poured over ice(usually said of alcoholic beverages)
The global economy may be on the rocks, but that does not seem to have stopped anyone from enjoying a scotch on the rocks.
by The Return of Light Joker March 10, 2009
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1) To be wearing (ebonics)

2) To be ecletic music

3) To throw a barrade of rocks at object or person.
"Dad was rocking his new sweater yesterday."

"Features a rocking soundtrack"

"We were rocking out that old car"
by Gumba Gumba February 23, 2004
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to rock someone - to make someone have a good time, make them feel okay and have fun
I want you to rock me tonight at the fire place.
by imgonnakillyou December 28, 2013
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Describing a drink, usually containing alcohol, with ice in it.
I'll have a vodka on the rocks.
by Heart Arcade August 8, 2005
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1: a form of cocaine
2: a basketall
3: a stone
4:a type of music
5: a fake ass wrestler
by Stephanie February 20, 2004
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To wear something, or to already be wearing something.
Hey I got some new True Religions...
Really? Are you gonna rock them on Monday?

Damn Johnny is rockin his 7's today!
by doitphaggot June 20, 2007
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