i make up lots of words. my fave one to use though is floopy/ floopers. Both can be used as an interjection Ex: OH floopy!! ow could i forget?
floopers is used more as an interjections but can be used like this" That was so floopers.
so can floopy: That was a floopy test.
it can be good or bad or whatever we feel like at the time.
Holy Shiz! = Holy ****
BILLY! = What Mouse and I say when we wanna swear XD
Funner = More fun ^_^
Singinging = Singing
OMJ = Oh My Jacob (Black) or Oh My Joe (Jonas)
Yummalicious = Usually describes a hot guy
Shizzles = Kinda like Holy Shiz, but better
Confusified = Confusing, very much