Unlike the other Fictionistas, I've never really had a nickname.
Lots of people get nicknames as a diminutive of their first name. Not me. "Amanda Brice" is actually my pen name, Amanda being my real-life middle name. And my real first name (Heather) isn't really conducive to nicknames, either by shortening it or cuteseyfying it. (Yes, I made that word up. Deal with it.)
Others get their nicknames because they're involved in sports. I never was. Sure, I'm a diehard sports fan now, since college, but I was a total girly-girl in my earlier days. And dancers don't really give each other nicknames. *shrugs*
The closest thing I've ever had to a nickname was in junior high, when my friend Amy started jokingly calling me Swan. It was a reference to the fact that I was way into dance (ie, Swan Lake), but wasn't exactly complimentary. Rather, it came from the fact that she thought that sometimes I would get way too emotional, and throw a hissy fit like a little primadonna. She called that my "dying swan act."
Yeah, nice, huh? Fortunately, it didn't stick.
So I guess the only nickname I've really ever had is Amanda. This came about when I had traveled with my high school French class to France and Switzerland over Spring Break junior year. We were over there for 2 weeks, 6 days of which were spent living with families in Nice, in the south of France.
The family I lived with couldn't pronounce my real name to save their lives. So, fed up with the butchering of my name, eventually I gave up and suggested that they call me Amanda. Ah-mahn-dah was much nicer sounder than Ee-zair, so it just stuck.
Fast forward almost 4 years, to when I spent a semester in college studying at the Sorbonne. I just went straight to using my middle name that semester, and eventually got used to answering to it.
So when it came time to choose a pen name, Amanda was the obvious choice.
So I guess that's my nickname, if a pen name counts.