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
Inglorious Basterds damn good stuff sir gif
Miley Cyrus Mind Blown whoa gif
Scott Pilgrim asks Ramona Flowers there's more than one kind of gif? Meta gifs?
Katy Perry happy dance gif