Like a "Black Sawn Event" but way less significant. When something seemingly nice turns straight negative, in an unexpected way, or in a scale or manner that is unanticipated.
"Hey, this summer rain is really nice... I wonder how long it will last..." Check weather... "Oh no, there is a flash flood and tornado warning that was just issued! This is a real Black Duck Event."
by toms35 August 18, 2021
Get the Black Duck Eventmug. He was black and proud
by Zion malachi immanuel williams December 8, 2019
Get the Blackmug. “How can Craig be so light skinned when both his parents are black as night.. he’s looking like a can of diet black”
by BuddyISlove November 29, 2020
Get the Diet blackmug. 1. The day before Black Friday where retailers start their sales early so they can get a bit more money.
2. The day of Thursday, October 24, 1929, when stock prices began to drop at an increasing rate. It was the first day of the Stock Market Crash of 1929 that marked the beginning of the Great Depression.
2. The day of Thursday, October 24, 1929, when stock prices began to drop at an increasing rate. It was the first day of the Stock Market Crash of 1929 that marked the beginning of the Great Depression.
1. I saw a commercial for Black Thursday sales at Macy's earlier, although they still called them Black Friday sales.
2. Black Thursday saw stock prices fall dramatically, foreshadowing the panic that would ensue just five days later on Black Tuesday.
2. Black Thursday saw stock prices fall dramatically, foreshadowing the panic that would ensue just five days later on Black Tuesday.
by Titanicguy May 12, 2018
Get the Black Thursdaymug. 
by mcstiffins27 September 7, 2019
Get the The black angry birdmug. Hym "Yeah, no, the black poop was probably the Tylenol. The doctor told me to take it for my jaw thing but, man, this shit is not going away and I can't just take Tylenol forever. Ya know?"
by Hym Iam June 7, 2024
Get the Black poopmug.