rocks your socks
The same as "Floats your boat" - doing something that makes you happy.
Steve said he really wants to go abseiling, so I told him "whatever rocks your socks, buddy".
rock your socks off
When someone is so awesome the only thing close to accurately describing their amount of greatness is your sudden lack of socks, bro.
"You really helped me out on that test; now im gonna rock your socks off in return."
rock in your sock
When you're sat there jerkin and it just doesn't cum.
Demetrius: "Hey bro, you were in my bathroom for a while, the fuck were you doing in there?!"
Alejandro: "Sorry dude, I just sat there with a rock in my sock."
Demetrius: "Probably a good thing you had a rock in your sock since it's my fucking bathroom you bitch!"
Alejandro: "Nah man it's cool, I splooged in there last week!"
Alejandro: "Sorry dude, I just sat there with a rock in my sock."
Demetrius: "Probably a good thing you had a rock in your sock since it's my fucking bathroom you bitch!"
Alejandro: "Nah man it's cool, I splooged in there last week!"