Dan -
Congratulations on your graduation and getting a job!
I agree with many of the previous comments. If you are still unfamiliar with the common acronyms, certifications should be pretty far down on your list right now. For starters, I would suggest a Google search on new terms - it's free and it's fast. Oftentimes this will give you enough information to have a basic idea of what people are talking about. You might even start keeping a glossary so you have a quick reference handy (in case, for instance, somebody brings up LDAP in a meeting - it might be nice to have the definition on your smartphone in case you've forgotten what that is). Wikipedia can often be useful for a quick, moderately in-depth expository.
I would suggest concentrating on gaining job proficiency and, if you decide you are going to stick to IT, figuring out what area(s) interest you the most - databases, graphics, phone apps, ... Then start working your way into your preferred areas. At first, you are probably going to be spending a lot of time studying the topics that you are responsible for. But eventually, you do become good enough at what you do that you can start enjoying your off-time again.
And finally, you have found one of my favorite resources - Tek-Tips is a really good place to get help with specific issues and questions. But be advised - people are liable to want to see what you have tried so far before giving you an answer!
Good luck!
- Dave Bridges/Black Forest, CO