| | AAADKTDA | | An apple a day keeps the doctor away |
| | AAADKTDA | | An apple a day keeps the doctor away. |
| | AAC | | Advanced Audio Coding |
| | AACS | | Advanced Access Content System |
| | AADD | | adult attention deficit disorder |
| | AAF | | always and forever |
| | AAF | | as a friend |
| | AAGR | | Average Annual Growth Rate |
| | AAK | | alive and kicking |
| | AAK | | asleep at keyboard |
| | AAM | | As a matter <of fact> |
| | AAMOF | | As a matter <of fact> |
| | AAMOF | | as a matter of fact |
| | aamoi | | As A Matter Of Interest |
| | AAMP | | advanced architecture microprocessor |
| | AAMP | | asian apartment massage parlors |
| | aar | | at any rate |
| | aar8 | | At Any Rate |
| | AARP | | American Association of Retired Persons |
| | AARP | | Appletalk address resolution |
| | AAS | | Alive and smiling |
| | aashta | | As always, Sheldon has the answer |
| | AATK | | Always At The Keyboard |
| | AAYF | | as always, your friend |
| | AB/DL | | adult babies diaper lovers |
| | ABAICR | | As best as I can remember |
| | ABAIR | | As best as I remember |
| | ABBET | | A Braod Based Environment For Testing |
| | abcd | | Above and Beyond the Call of Duty |
| | abcd | | American Born Confused Desi |
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