Craigslist m4m ad: top gen. (some ads may be as short as this; a gay male "top" offering a negotiable cash payment for someone to come "bottom" for him)
2. As an abreviation of Genuine, can be used to confirm the reliability of a statement, or in reply when asked if something is true. For serious matters, it can be accompanied by the speaker's right fist applied upside down to the speaker's right temple, to avoid any doubt.
2. I just heard that tom had sex with his mum, gen.
Did tom really have sex with his mum? Yeah, gen!
Origin of the word: Cryo-gen-ics. In examining the ultimate meaning of chilling out, in exploring the deepest state of relaxation, we consider the word cryo- to be an identifier of the state if gen. We can thus reveal the ultimate state of relaxation and being and GEN.
GEN is closely intwined with the notion of randomness and the underlying order that can be found in chaos. In effect, there is no randomness, only a constant attempt interlock perfect order in a non-perfect universe.