As a result of prolonged self control games, I am a pretty big ejaculator.
I like to go for hours before I let my penis have its release, and then I really don't hold back!
I get a HUGE kick out of putting a tape measure on the desk, and rolling it out away from my erection..
When it's time, I stand with my penis over the start of the tape measure and try to shoot my semen as far as I can!
I'm usually good for at least 12' streams, but sometimes I have measured two to three feet!