• My manuscript was stolen and I only just paid the ransom to get it back.
• I am allergic to revision and had to take antibiotics and wait for the swelling to go down.
• Bad spill. Can’t read revision notes.
• Grizzly bears / wild boars / rabid pigeons ate it.
• I had a finger injury and lost all ability to type.
• I am boycotting writing until they free Tibet.
• My computer started swallowing words until I had nothing left.
• Alien abduction, a solid excuse for anything, anytime.
• Gossip Girl / America’s Next Top Model / The Pussycat Dolls Present Girlicious was on TV.
• Bad case of the hiccups.
• Violent amnesia. I had a deadline? What, where, when?

Got a better explanation? I’m all ears.