When you dip your hand in melted chocolate and insert the chocolate-covered closed fist into your partner's rectum whilst yelling out, "I'm neutral! I'm neutral!"
Dude 1: Dude, my girlfriend rocks, she let me give her the old Swiss Fist last night.
Dude 2: DUDE! Milk chocolate, or dark?
The act of placing one's posterior against that of another and farting, thus safely depositing the fart in the recipient for later retrieval.
Deav asked his brother at the Indians game, "If you fart into someone's butt, what would you call that?" A guy in the row behind responded, "Well I'd call it a safety deposit box."
Deaver: "I gotta fart!"
Neil: "Quick, stand up and use the safety deposit box!"
1. One who gets an erection (slang: boner) when riding a motorcycle.
2. One who rides a boner.
The bonercyclist hit a truck head-on while fapping over his Harley.
Your mom is a bonercyclist, she rides boners all day every day.