When a guy sticks his own testicle up his anus and farts it out like a pop gun.
Russell got drunk at the party and fired his Texas cannon into a crowd.
When you eat a 72 ounce steak! Than on the way home from Texas at a rest stop. You bend over "pull one off" (masturbate) and fire a 72 ounce shit at the wall!
Joeys a boss! He did a texas cannon, there is poo everywhere.