Stashed in: Reaction GIFs!, Seinfeld, Back to the Future, Upvote! Downvote!
Heh, I wish all downvotes work this way!
Will look for more downvote gifs to add here...
Back to the future.
Kramer downvote gifs
I'm totally glad I dipped in your ink, bro. ~James Franco gif
I immediately regret this decision gif
Jaden, Willow, and Will Smith: the various reactions to the VMAs
Shaquille O'Neal's Most Disrespectful Dunk gif