Shooting ghosts
To furiously masturbate so much in a short amount of time that when you ejaculate no fluid or sperm comes out. Like you ejaculated a ghost.
Dude I got really bored one day and tried to break my record, I wound up shooting ghosts by the end of the night.
shoot the ghost
Failing to appear at a scheduled event or previously arranged meeting. To consciously avoid an agreed upon meeting.
1. "I was supposed to meet X at the club last night but he shot the ghost on me."
2. "I am counting on you dude, don't shoot the ghost on me"
2. "I am counting on you dude, don't shoot the ghost on me"