A saying used by Jonas Brother fans, reffering to the Rap That Nick Jonas ocasionally does on stage called "Nick J is off the Chain" (watch it on youtube). Ususally just a thing Jonas fans say.
To have intercourse with a partner( preferably one who is open to your advances) and upon climax, pull out your gun and fire a round laced with double entendre into the nigh sky.
news person: police were called to the scene due to reports of gunfire and screaming. luckily the suspect just pulled The Nick Offerman.
An internet troll who trolls everyone he can and tries to piss off as many people, people are obsessed with him and can't leave him alone which makes him more famous.