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1.
An expression used by Charlie Sheen in order to describe the severity of his drug use. Experts are unsure of the actual definition, but many believe that it describes cocaine use.
Dan and I are going to be bangin' seven gram rocks with Dirk on Tuesday, so we won't be able to attend the funeral.
by James Panda March 12, 2011
 
2.
A term used by Charlie Sheen to describe the severity of his drug use. Experts are unsure of its meaning, but many believe that it may refer to ingesting a large amount of cocaine.
"Hey are you guys going to that funeral tomorrow"?

"No bro, were gonna be bangin' seven gram rocks".
by Jar Jar Binqs March 22, 2011