As created by Microsoft Sam and later on addopted by Master Chief From arby and the chief, "hog hag" is a way of laughing. When you type in "haha" in Microsoft sam's speech bar, he will automaticly say "hog hag"
("Hog hag" is usually sarcastic)
"you are truly good at playing halo
"Omfg! your face is hog hag"