Sustainable drinking 

Drinking now without affecting your ability to drink later on in the night

Mate it's early, let's get a bit of sustainable drinking on the go and fire into a couple of poof juices so we last the night

Sustainable drinking by getitrightroundye April 3, 2009

Sustainal

Someone who is extremely picky about all things sustainable. Will call other people on their unsustainable behaviour. Combination of sustainable and anal.

Mike is so sustainal, he criticized me for throwing my banana peel in the wrong bin.

Stop being sustainal, Mike, get a life!

Sustainal by R-NO April 27, 2010

Sustainable Aviation Fuel 

(Acronym: SAF) A term used to describe an aviation jet turbine fuel that meets the criteria of the Sustainable Aviation Fuel Users Group (SAFUG) and/or the Roundtable on Sustainable Biofuels. It is typically created from second generation biofuel feedstocks, such as algae.

"Sustainable Aviation Fuel is going to revolutionise the airline industry"
or
"SAF is a good investment"

Sustainable Aviation Fuel by dictionaryonline789 January 7, 2010

sustainable dolphin 

when you constantly have oral sex.

wow, me and mike, were having a sustainable dolphin!

sustainable dolphin by cowandmoo October 18, 2011

Sustainable Architecture 

A supreme form of architecture that the Internet needs to fucking talk about, involving buildings being littered with an earth shattering amount of plants.

Josh’s best friend just hit on his girl, so he decided to calm down by looking at pictures of sustainable architecture.

Sustainable Architecture by stoleyourgirl June 15, 2023

sustainable talent

When an artist is coherently successful in his/her art in an astonishing way, he/she is worth praise as a "sustainable talent".

The young director proves a sustainable talent with the first two successive films of his triology.

sustainable talent by gamsizdansoz January 8, 2009

Sustainable Decadence 

Decadence that meets the needs of the present without compromising the ability of future generations to meet their own needs to be decadent.

A spring fed solar powered infinity pool is a good example of sustainable decadence.

Sustainable Decadence by Gizborne August 3, 2007