Used to describe something that is third in a list or classification system.
Follows on from primary and secondary.
Follows on from primary and secondary.
by phantom oddity October 13, 2005

by ill-sho-stoppa September 01, 2011

The policeman gave him a breath test because he had passed out from alcohol poisoning, but the test was negative. He must have been drinking tertiary alcohol.
by Chris March 26, 2003

Basically, a woman’s asshole or anus may serve to be her third input, or tertiary orifice. A woman, being master of her own body, may deem whatever orifices she has to be primary, secondary or tertiary as she seems fit. For this definition, we have chosen the brown-eye.
by Slicematic August 13, 2021

Where you go after the secondary location. The third part of a weekend bar crawl that begins with a power brunch and ends when better judgment kicks in.
Steve: Anybody down to go somewhere else?
Vivica: Are you thinking what I'm thinking?
Both: Tertiary location!
Vivica: Are you thinking what I'm thinking?
Both: Tertiary location!
by The Fourth Roy March 03, 2015

Synonym for "Top of the food chain," Used only by nerdy people who insist on abusing esoteric language.
1st Abuser of Esoteric Language: Yeah, we're going to be senoirs at our highschool/college.
2nd Abuser: We will thus become tertiary consumers.
1st Abuser: LOLOL
2nd Abuser: We will thus become tertiary consumers.
1st Abuser: LOLOL
by morcatfrey September 04, 2010

Some crazy shit that an Isenhart clan member invented to avoid manual labor along with cardboard. It is commonly the result of too much crazy hippy crack inhalation.
Damn Nancy, you just don't ever want to help out because of your P-Tertiary-butylphenol formaldehyde resin allergy.
by orange_cone July 10, 2010
