in reply to
6.Computer Science. A value used to evaluate a procedure or subroutine.
I think this is derived from #5:
Mathematics. - The independent variable of a function.
Linguistics. - In generative grammar, any of various positions occupied by a noun phrase in a sentence.
The same name on every site (unless it is taken already)
A different name for every site
The same name for sites I don't care about, but different names on sites I do care about
Different names for sites I don't care about, but the same name on sites I do care about
The anonymous account
Someone else's username
Root, after hacking into the site
Results (212 votes),