Russian-English translations for спя́тивший

• bonkers
• crazy
  His ideas were both frightening and crazy
  When she gets on the motorcycle she goes crazy
  He went crazy when he won
• gaga
  The elderly patients in the hospital were going gaga.
  You might go gaga if you stare at this screen too long.
  The girls were going gaga over the handsome new boy who joined the class.
• mad as a hatter