When Derrick sees a sad girl he'll do what ever he can to help her out.
King of sex, man..
Girl#2: i think you found yourself a Derrick
I cant believe you got fucked over like that, it was the ultimate derricking.
Also, may be the stage of inercourse when the male may become aroused, or sexually ready for intercourse. When semen flows to the penis. When the penis becomes excited and gets hard and "stands up", for the sexual pleasure of a female, or another male.
Male: "Wait, I just got it, let's go!"