The ultimate of ultimate complimates for have a huge dick. Also refered to as Stonecock.
After Justin banged Paul's mom, she said he had a Stonerock.
by Justin September 01, 2004
1 more definition
StoneRock: Swedish retarded dude, can be found on #AHK, posting strange stuff.
That StoneRock sure is bananas.
by stenklippa August 03, 2009