happy day
sad day - these two are really contagious..my entire chapter was saying it at one point..and then it started to spread to the fraternities..
whatev
bah
feh
re-goddamn-diculous
gay(i know, not the most PC..but can be used in so many contexts)
not so much
i'm trying to reintroduce "word to your mutha" thus far its not really catching on tho