Double dribble?

[tomcat62]

During a one-on-one I was playing the other day, my opponent lost his dribble. As I hovered over him, he proceeded to throw the ball off my leg (as I guessed he would do - he seemed the type, if you know what I mean). Anyway, he retrieved the ball and put the ball in the hoop. As I understand the rule, once a player loses his dribble, he only has two options - pass or shoot. Being this was a one-on-one, his ONLY option was to shoot. So was it lame of me to call a double-drible on him? If anyone out here can find this ruling on the Web or in a rulebook somewhere, I'd appreciate your help.

Thanks.