When your partner has a watery stool sample set to go to the lab and you just can’t let it go without copulating in it.
My girl had the persistent squirts and at the doctor’s request prepared a very loose stool sample for submission to the lab. I couldn’t let it ship without getting a Diarrhea Fleshlight out of it first.
by Avenging Narwhal May 13, 2023
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very good and yummy and healthy and also red and painful to have
dude: yo i just had some red diarrhea
friend: nice man
friend: *has red diarrhea*
by friwefpadf;lkjh October 7, 2020
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person: yo whassup man i just had red diarrhea
friend: yo that sick
by friwefpadf;lkjh October 7, 2020
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Painful to get but yummy and healthy.
man: Yo I just had RED diarrhea
man 2: Congrats
man: thanks man
by friwefpadf;lkjh October 7, 2020
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A person who reneges on their promises, and actively conspires to sabotage your reputation behind your back. The typical diarrhea bitch will take a diarrhea shit in a public space and tell everyone it was you.

Melinda: Did hear you about Sharon?
Sarah: No. What?
Melinda: She's a diarrhea bitch. She stole all the food from the conference room and blamed it on Mikhail. Now he has to pay for everything!
Sarah: Wow. What a diarrhea bitch.

In reality it was actually Melinda who stole all the food from the conference room and blamed it on Mikhail. Ergo, Melinda is the true diarrhea bitch.
Janine was a massive diarrhea bitch when she stole $75 from Karen's purse and blamed it on Kyle.

Dakota is a massive diarrhea bitch for ghosting Jizelle at the mall when he promised to pick her up 6 hours ago.
by CHILIMONGER August 27, 2022
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