A condition in which a man or woman sees an incredible buttox, and feels the need to bite it, like a big plump juicy rump roast.
Dave:"Damn! That girls ass is so fine, man I just wanna bite it!" Jim: "Bro you got Rump Roast Syndrome"
The act of picking up a woman by inserting two fingers into her vagina and your thumb in her anus and lifting her with said hand and carrying her like a bowling ball.
"Oh man, last night Jenny passed out, so I bowling balled her back to bed."