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
Artist Quibe creates portraits using one continuous line.
I see what you did there gif
Robert Downey Jr. I Love You Thumbs Up gif
Naya Rivera hot fanning herself gif