Means similar to "Lurk" and "Perpetrate" a Lurkatrator is someone who is a serial lurker. They come to a party and lurkatrate on every one, then leave without telling anyone.
"Dude showed up and just lurkatrated for about an hour then took off"
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.