Abrieviation for "Use Map Settings." It comes from StarCraft, where custom made maps of great inginuity were

Mercury retrograde is the act of taking a shit whilst mooning one or more human beings. Your day can typically being going well, according to your horoscope, until you are forced into witnessing Mercury retrograde. Performing Mercury retrograde will often speed the astrological cycle forward for the individual performing the Mercury retrograde, bringing about happy and fruitful times to come.

(V) The act of sacking or removing an individual for absolutely no reason at all from an organisation or place for a prolonged period of time, typically for three years or more.

A suffix added to a guys name, usually done by a girl or a homosexual male.

UMS is an acronym for "Unfortunate Misspell". Whereas one would type in not after any misspell, but an unfortunate one. It's for those cases when the sentence changes meaning to something completely different. The acronym is there for support, when sarcastic comments are flying around after someone misspelled something that was rather unfortunate.

Adding "ums" to words will make them better in all ways. Except when you use "ums" to make words longer than they usually are. One of the few exceptions to this rule is Dogums, meaning Dog, but making it kick ass.