The above definition is correct, except for 3 omissions.
1. The word can be used to describe the act of breaking a bad streak in either baseball or the singles game.
2. Mark Grace made the phrase famous, because he would normally hit in the high 200s, but would sometimes go on a really nasty 0 for 25 kind of slump, and because he supposedly coined another synonym for slumpbusting, "taking the wood to a fatty."
3. Because he made these two phrases famous, a 3rd synonym became used within baseball, and now pop culture, to pull a "Mark Grace", also meaning to break a slump by boning an ugly or fat chick.
Player 1: Man, Ramirez hasn't gotten laid in 3 weeks. And hasn't been on base in 5.
Player 2: Yeah he definitely needs to go to a bar tonight, find a swamp donkey and pull a Mark Grace.
Rookie: What's a Mark Grace?
Player 1: Slumpbusting
Rookie: Slump Busting?
Player 2: Slumpbusting, jackass. Taking the wood to a fatty.
Waiters and Waitresses cannot just "clock out" at the end of a shift as many workers can. They must reconcile their financial records in order to close their business for the day, and hand in their cash and credit card receipts. The server report that the computer system generates often contains the words "ROC" or "ROC Report", which meand "Receipt of Collections. It is commonly called "ROCing out."
Hence, to "ROC out with your cock out" is to end one's shift at waiting tables to go and party. If you are lame and/or religious you might also say, "Don't forget to ROC out before you clock out
Waiter: My side work is done, and I was cut 20 minutes ago. Do you need anything (Proper procedure for asking "can I go home?"
Shift Captain: Do you have your paperwork for me to initial?
Waiter: I'm about to run it now.
Shift Captain: Okay, R.O.C. out with your cock out and I'll see you at the party.