যেকোনো শব্দ খুঁজুন, যেমনঃ fleek:
 
1.
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!
লিখেছেন- R-NO 27 de এপ্রিল de 2010