“A Comprehensive Glossary of Gifs”:
AAAHH – a reaction of elation to exciting news
Bitch, please – incredulous response to something that is outrageous, stupid, or false; can also be used in response to an unintimidating threat
Dead to me – hyperbolic expression of washing one’s hands of someone
Do not want (emphatic)
I need a drink – used as a reply to information that is too much to handle, stressful, or depressing
For many more, see Jezebel’s full list here.