Short for 'awesome' and inspired by cartman. ASA is pronounced 'ahh-saaa' ... kinda like a retard would say it. ASA is also shortened for use in text messages and IMs. ASA can also be spelled lower-case (i.e. asa)
synonyms: great, excellent, impressive, fascinating, incredible, marvelous, shocking, stunning, surprising, unbelievable, wonderful, breathtaking.
That donkey show was fucking ASA!
Want to go smoke some of that ASA chronic you just got in the mail?