Verb - The act of recklessly (under the influence of something illicit or mind altering) going around and stealing lawn gnomes for the sake of a collection purpose. IT is definately fun to take one of your favourite gnomes with you on vacation and take pictures of that gnome from different locations in the world and send it by postcard to the original owner.
<Dude> Yo man lets get retarded and go out on the town
<Pal> Yea man i have a great idea. Let's go gnoming and jack a garbage bag full of yard ornaments.
non-homo person 1: Shit was GL gooking up for the latest sac?
non-homo person 2: yeah wanker lied to us about not gooking up
non-homo person 1: fuck him, no lifed guy.