An from old Norse "hnøgger", which means "miserly", "stingy". Despite its similarity to the offensive term "nigger", the two words are not related in any way. Stop jumping to conclusions and open the dictionary.
English buff- "Boy that gentleman at the picnic sure was niggardly."
Ignoramus- "You said "picnic" and "niggerly"! Racist!"
English Buff- "*Sigh*! "Picnic" is from a French word that refers to what we'd call a pot luck, and "niggardly" is from an old Norse word that means "stingy". They have nothing to do with race!"
A poor tip; the act of giving a niggardly tip is to give a minimal, poor, low tip. Not related to the word "nigger" or black people in any way shape or form.
Server: Ugh, those black people just left me a 5% tip...
Manager: Wow, why do black people have to give such niggardly tip(s)?
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.