An anagram, as you all know, is a word of phrase

made by or rearranging the letters of another word or phrase.
The following are exceptionally clever.
Someone out there either has way too much
time to waste or is deadly at Scrabble.

Word
When you rearrange the letters
--------------------------------------------------------------
Dormitory                     Dirty Room
Desperation                   A Rope Ends It
The Morse Code                Here come Dots
Slot Machines                 Cash Lost in em
Animosity                     Is No Amity
Mother-in-law                 Woman Hitler
Snooze Alarms                 Alas! No More Z's
Alec Guinness                 Genuine Class
Semolina                      Is No Meal
The Public Art Galleries      Large Picture Halls, I Bet
A Decimal Point               I'm a Dot in Place
The Earthquakes               That Queer Shake
Eleven plus two               Twelve plus one
Contradiction                 Accord not in it
Astronomer                    Moon Starer
Princess Diana                End Is A Car Spin

AND HERE IS THE MOST INTRIGUING PART

Year Two Thousand             A Year To Shut Down