Stashed in: Awesome, Reaction GIFs!, @oliviamunn, Reaction Memes!, Super Troopers
The origin is the movie Super Troopers:
First two: Get meowta here right meow.
Remember, you gotta get to ten or it doesn't count:
Cincinnati losing to Harvard Reactions
Seinfeld Anti-Dentite scene with Debra Messing...
Yeah, I can't do this. ~Tim Meadows gif
Brad Pitt dancing gif - Burn After Reading HD