Answer to the old riddle "What lies flat when empty, sits up when full?"

• At the drop of ___ (right away)
• "The Man Who Mistook His Wife for ___" (1985 book)
• "___ Full of Sky" (2004 Terry Pratchett novel)
• "___ not much the worse for wear": Cowper
• At the drop of
• "The Man Who Mistook His Wife for ___" (Oliver Sacks book)
• "The Man Who Mistook His Wife for ___" (1985 best seller)
• Pull out of ___ (produce suddenly)
• "___, A Coat, A Glove," Speyer play

Wikipedia Word definitions in Wikipedia
Ahat (also known as AXAT , , , agate ) is a rock band from Bulgaria . Their most popular song is "Черна Офца" (Black Sheep).