"Careful with the ship, Spock. She's brand new." - Eyebrow -
That was his left eyebrow.
For some reason I excised the specific point of contention about sides... You're right. He never does raise his right brow.
CURSE YOU JJ ABRAMS AND/OR ZACHARY QUINTO!!! Star Trek will forever be ruined now.
The next movie should be called "Star Trek Into Eyebrows."