noodle cup

When you have sex with your flaccid penis, because you can't get it up. Usually due to being drunk, or nervous.

Girl: "what's wrong?"
Guy: "I'm too drunk were gonna have to noodle cup."

Guy 1: " hey did you hook up with missy last night?"

Guy 2: "yeah man, but I was really nervous so I had to noodle cup her instead."