In light of a recent booze-related thread, I give you:
Also, "brekkie" for "breakfast," if it hasn't come up yet.
Brits and the Irish can cram it with walnuts for all the "-ie" suffixing they're doing. I'm suffixiating!
Incidentally, I've found over the years I have no problem with "wifey." (paging Dr. Freud)