I'm not too sure if these deserve Mordor because they're annoying, or the Shire because they're funny...but since Kath assigned "pronounciation" to Mordor...
I assign the following pronounciations made by my Calculus prof:
1. squared = "squird" (For a moment I thought I was in Bio class the first time I heard it.

)
2. the symbol P-nought (or P sub zero) = "peanut"
3. (I'm leaving this here just in case my prof decides that this list needs more items.)
No wonder Calculus class makes me so hungry.
And while I'm at it, I assign my hands' wall climbing-induced shaking because it messes up my handwriting.