When a task you enjoyed doing by yourself previously becomes less fun when you're told to do it.

Like when you decide to be a good person and do the dishes, and then your parents ask you to do the dishes. You then no longer want to do the dishes.
You: "I was going to clean my room because I wanted to, but then my mom yelled at me to clean my room. Now I don't feel like cleaning it"

Friend: "Man that's the dishwasher effect."
by JimsGT October 22, 2020
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A person who collects used condoms and cleans them out by effectively sucking the semen from the insides.
Mikey: Don't talk to Tommy, that guy's a Boston Dishwasher.
Franky: What's that?
Mikey: He sucks cum out of condoms like cocaine residue from a Ziploc bag
by JarrodTheLubeBoy November 7, 2019
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When you place dirty dishes in somebodies dishwasher and they come and re-arrange them as soon as you have done it.
After dinner Karen cleared away the dishes and filled the dishwasher only to have Linda re-arrange them, challanging Karen to Dishwasher Chess.
by Spike Morrison November 8, 2009
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The unsavory fluid, mostly water, left in upturned glassware, measuring cups and the crevasses of other items found in a dishwasher after full completion of a wash cycle. This fluid contains sediment, particles and other dissolved elements freed from these items during cleansing. On occasion these elements, though visible, cannot be linked to any food substance known to have been present at the time of the machine's loading.
GROSS! Everything in the machine turned upside down. Now I've got to dump all this nasty "dishwasher chum." out and rerun it all!
by Betharoni August 7, 2011
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A. When you are unsure if the dishes in the dishwasher are clean or dirty and you have to open the dishwasher to find out.

B. When you expect to find clean dishes in the dishwasher, but you open it to find dirty dishes.
A. "Do you know if the dishwasher ran last night?" "I'm not sure. It's Schrodinger's dishwasher."

B. <Opens dishwasher to find dirty dishes.> "Crap! Shrodinger's dishwasher!"
by Angrist December 6, 2016
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A tablet that you put in the dishwasher to make the dishes clean. It also makes you really want to eat it but you can't because you will die if you do. It is also Sam's weapon of choice. He put it in his mother's smoothie before she went to yoga because she used to beat him. She beat him every day until she died.
Scientist 1: we've analysed the body 3 times and we still don't know how they died.

Scientist 2: this can only mean one thing. It was a dishwasher tablet!!!!!

Scientist 1: oh no, we need to evacuate the facility immediately!

Scientist 2: darn it! I wanted to do a Hot Butter McFungus later! DAMN!
by BOOIIIIIIIII March 29, 2020
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A very horrible/annoying person. I personally call people dishwashers and they take it as a compliment, but you’re the only one that knows what it means 😉
Someone: HAH I BEAT YOU IN KAHOOT
Me: YOU DISHWASHER GET THE FUCK OUT OF MY FACE YOU RAT
by RestInTidePods September 18, 2018
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