One who casts forth lulz;
instrument of/or guitarist who fails so epically that one cannot help but laugh. (combination of lol and -caster, suffix to many Fender guitars)
An inaccurate variant spelling of "lolocaust," circulated particularly among the semi-literate and those who clearly haven't read much about the Second World War.
That someone took the time to submit a separate entry on 'lolocost' when the more obvious definition is just above it in the Urban Dictionary—it's enough to precipitate the lolocalypse.
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.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.