To have an orgasm. The word 'rocks' can be compared to the testicles of the male, but the phrase also applies to females. See also bust a nut.
Man, that girl really gets my rocks off.
by Philip Gibbons October 21, 2004
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The first thing i had to do was finger myself and get my rocks off before i got any more stressed
by Anonymous June 15, 2002
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I'm getting my rocks off with that man tonight.

I got my rocks off last night!
by dive2012 January 24, 2012
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