To ejaculate before the woman even knows copulation has occurred.
Also loosely know know as slex or the pump n' sleep, but more on the speed sex and sleep side.
1. Jimmy totally pulled a Lerman Hustle last night in bed, I was so pissed and unsatisfied.
2. Girl: Oh! oooo, are you in yet?
Lerman Hustler: Oh baby, I'm done