1. To stick something up your ass if you're a straight man.
2. To have your hottie stick something up your ass if you're a straight man.
1. The object that is stuck in your ass.
1. Damn, when I was opkokin the phone rang and I had to awkwardly waddle to answer in time.
2. Last night I was almost ready to cum, but then she opkoked me and I skeeted everywhere!
1. A nice straight hot dog can be an opkok.