A person one may have sexual relations with over a short period of time, before disposing of them after 2-3 months, in the same way as one may dispose of a manual toothbrush.
"He's just a toothbrush, I'll find another one."

"I need a new toothbrush."
by RG1993 July 23, 2015
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Step 1:touch some grass while going out side.
Step 2:go to store with money that you acquired legally

Step 3:purchase both toothbrush and toothpaste
Step 4:pay for it you little shit

Step 5 :exit store and go home
Step 7:enter bathroom

Step 8:unpack both toothbrush and toothpaste

Step:9 grab toothpaste and place contents of it on toothbrush

Step 10: place toothbrush in side of mouth and start scrubing
Step 11: try doing it for 2 minutes

Step 12:well done you have now revealed all the cavities in your teeth

Now go to the dentist.
Give me a moment I need to brush my teeth with a normal sized extremly unpretty blue toothbrush
by .... . .-.. .-.. --- October 6, 2023
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The act of busting a load inside a females mouth and proceeding to rub your cock in the hot man-oil, finally pushing it on to her teeth creating the "Colgate Effect" on her new pearly whites.
Damn dude, I was with this skank ass hoe and she was giving some good dome, when I decided to finish up with the toothbrush!
by Tyree and Lysol September 26, 2007
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Slang for Vietnam

It gets the nickname toothbrush because soldiers in Vietnam had to make toothbrushes from wooden sticks kapp
“Hey let’s go on vacation to toothbrush

“Hellino yeahino!”
by Brmfryys October 19, 2020
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The act of toothbrushing is when your significant other gives you a hand job and he or she uses your dick as if it were a toothbrush and proceeds to swish it around their mouth or a blow job.
Example of toothbrushing
John:hey Janie did you brush your teeth?
Janie: Uh no I ran out of toothpaste.
John:don't worry I have some.
by Guyscalmdown January 13, 2016
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You brush your teeth with one or if it vibrates masturbate with it. This is gross if you brush your teeth after squirting on the toothbrush.
Sally: I brush my teeth every day!
Joe: Then what is that moaning for
Sally: DO NOT EMBARRASS MY TOOTHBRUSH FOR BEING USED FOR PLEASURE
by Gummybearsareoverated64 June 11, 2022
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