The act of jerking off while reading all of the half ass, simplistic definitions on urban dictionary that some people seem to think are cleaver or funny.
Regular Person: Hey, you want to go do something productive with our time.
Looser: Nah, I'm going to throw my life away online having urbanal sex.
Somebody who infuses molten glass with an anion oxide of the heavy metal uranium, thus creating Vaseline glass marbles aka. uranated glass marbles -- although other items such as ashtrays, vases, commemorative glass insulators, etc. can be made with it.