Oral Hygiene Bro 

A user of 4chan's /a/ board, who, starting October 2010, started writing a story where he was inspired to brush his little sister's teeth after watching Nisemonogatari's infamous toothbrush scene. Eventually, it got to the point that they married and had a child together. He kept posting for about 3 years, until August 2013, when he was never heard from again. Nobody knows if the story is real, but nobody can prove that it's false either.

Aidan: "yo have you heard of that one Oral Hygiene Bro who fucked his sister"
Bob: "Yeah that's some messed up shit"

Oral Hygiene Bro by genericmiatafanboy March 2, 2021

Dental Hygienist

The Hot Girls at the Dentist Office who clean your teeth and tell you to brush more often. They accidentally brush their breasts against you and use the suction too.

A dental hygienist is the cute blonde who cleans your teeth every 6 mos. that you secretely have a crush on.

Dental Hygienist by Casey X. March 17, 2009

Hygiene Conscience 

The little voice in the back of your head all non-goddamned-disgusting-dirty-pigs have telling them not to be a goddamned-disgusting-dirty-pig.

Holy fuck Janice, I've cleaned the kitchen four times today already; don't you have a hygiene conscience!?

Hygiene Conscience by Ramfar June 1, 2011

Hygiene Fail 

The act of a female partner losing complete control of bowel movements during the course of anal sex.

AMon: Hey wey was Lisa anally open last night?

Wey: Yea dude, but she had a hygiene fail on your aerobed..

Hygiene Fail by ElAMon March 30, 2010

Connection Hygiene

1. The strategic art of healthy human connection

2. The conditions or practices conducive to maintaining social health, positive social relationships, and interpersonal well-being, as well as preventing isolation, loneliness, and relationship weakening or loss, especially through community formation and engagement

I'm going to spend my weekend emailing, texting, calling friends I haven't talked to in a while – keeping-up my connection hygiene.

Connection Hygiene by PurveyorsOfCulture March 25, 2020

Hygiene Optional 

(1) One step beyond casual friday - Going to work unwashed in dirty clothes
(2) A work place dominated by unclean, unwashed co-workers
(3) A remote work location such as Alaska

Jimmy: "Have you been out to the field office?"
Jack: " Yeah it's totally hygiene optional with that crew - especially the chick"
Jimmy: "What are you talking about - she has most of her teeth"
Jack: "Yeah - in a JAR!"

Hygiene Optional by Major Kong February 26, 2007

hygiene technician 

Glossy word that simply means cleaner. Word trys to make employees feel like they are smart and technical and important when they can be fired at anytime because any man and his dog could do this job.

I'm gonna be a hygiene technician!
Looking technical gangster!

hygiene technician by silvermonkey November 9, 2005