When a person sits on their hands until their hands go numb then proceeds to masturbate. The purpose of this is so that it feels as though someone else is performing a hand-job.
After Lou broke up with his lady, we had to endure his incessant rant about how he now must resort to self-stranging.
1. A measure of determining sexual scoring prowess calculated by dividing total bases(1B=kissing, 2B=touching, 3B=oral, 4B=Sex) by the number of dated partners.
2. In baseball, a statistic to gaugepower by dividing total bases by at bats.
After five dates and only one boob touch, John finished the 2010 dating season with a paltry .200 slugging percentage. However, he slugged a whopping .886 in for his company softball team.