oh man, do you have any way of getting them back via history or something?

Nope!

I had about a million of them open, too.

ugh

I could go through the last six months of my history and pick them all out one by one, but the prospect is too depressing to contemplate.

ugh

there are ways you can fix firefox to recover tabs

Well, I know. They just fail.

bah

i'm so sorry