An anagram, as you all know, is a word or 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.

• 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
• 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