Someone who aspires to be a ninja but never will because of their failing attempts, every time. They can also be referred to as a poser.
Johnny wanted to be a ninja but he couldn't due to his sucky ninjaness. All the little ninjas laughed at him and called him a ninjaring behind his back. Johnny was sad.
The act of quickly minimizing a computer window when someone else enters the room because they do not want the other person to see the contents of the window, especially if one is looking at porn on their computer.
Dr Venture: "Brock, what did you just ninjamize?"
Brock: "Uhh, I didn't ninjamize anything."
*Dr Venture walks around to Brock's computer to get a look for himself*
Dr Venture: "Ohh my God Brock! more porn?"
Ryan: "Where have you been?"
Josh: "Sorry I had to ninjamize my World of Warcraft window because my mom came in my room and I'm not supposed to play right now."
Inserting of objects into the vagina, with the intention of passing the item to another person without their knowledge of the fact that the item had been 'minged'.
I returned this pen to the store, after ninja minging it.
I ninja minged this pen.
This cup smells funny, did you ninja minge it?
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.