Term used to describe slang. Lingo does not make sense because language is spelled with an "a" & slang is spelled with an "a" so lingo should be lango.
BRB-Be Right Back, IDK-I don't know, 143-love are all classified as lingo but can now be referred to as lango.
A public toilet, so-named because of the color of its water, which has a blue hue due to the use of a disinfectant product which is released with every flush. (Also, coincidentally -- and appropriately, the title of a Brooke Shields movie.)
"Goddamit, Zeke. That last fat bastard who pulled in here left a big ol' stinkin' turd floatin' in the blue lagoon. Son-of-a-bitch won't flush. Now get in there and fish it out."
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.