Define Watershed Meaning

Watershed
used to describe when something awkward happens that totally changes the mood

(two dudes talking to each other)
A: "Dude the other day I couldn't find any short sleeve shirts or shorts to wear and it was so hot"
B: "That sounds so hot"
A: "Watershed"
By Nicol
Watershed
British Nine o'clock p.m., the dividing line between "family" television programing and "adult" programing. Programing unsuitable for children is broadcast after the Watershed.

He's addicted to porn and he won't bother turning his TV until after the Watershed.
By Rosita
Juneau Watershed
When you are performing cunnilingus on a pregnant woman and her water breaks.

Last night I was going down on Sally and I was hit by a Juneau Watershed - it flushed a contact lens right out of my eye!
By Lane
A Cheney Watershed
(n.) a dungeon in your basement, backyard, or barn where you waterboard immigrants, minorities, and/or the poor.

"I heard that Jim has a Cheney Watershed in his basement. His neighbor told me that every night he hears the sound of people gurgling, even though Jim doesn't have a pool..."
By Georgiana