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:
Troy and Abed Handshake gif HD
BUT WHY? ~Ryan Reynolds gif
Sam Tarly You Had ONE Job gif
It's a trap gif HD