Samtastic is a nickname including the name Sam plus the wordfantastic, In which creating Samtastic. Which really means the defintion of fantastic, with the name Sam added on as well.
An unoriginal name for those with the name Sam, Sammy, Samantha, Samuel, etc. More often than not this nickname isn't chosen for that person, they create it themselves. This is most likely due to either a big ego or a poor sense of self-worth. There is no in-between.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
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.