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1.
When someone/something makes life so much better...
Nath rocks my world! He is completely amazing
by Daisy August 25, 2003
42 8
 
2.
1) To have a profound and positive effect on someone.
2) Something or someone you really like.
That band rocks my world!

That girl rocks my world!

This dessert rocks my world!
by olivetti75 July 21, 2010
7 2
 
3.
an expression of approval or an external compliment of something/someone. Used predominantly by females or homosexuals to express fondness. This phrase should never be said by a girl who is trying to impress a straight guy.
Justin Timberlake totally rocks my world, he is so hot. - My (ex)girlfriend.
by T-bone February 28, 2005
13 22