droopy       
adjective  informal uk/ˈdruː.pi/ us/ˈdruː.pi/
 下垂的
bending or hanging down heavily
  He had a long droopy moustache. 他长着下垂的长髭。 
 It turns out droopy eyelids are a common sign of aging. 事实证明,下垂的眼睑是衰老的常见迹象。 
 See: droop
 - More examples
 - Surgery had slightly lifted the droopy left eyelid.
 - Tutus have a skirt that is made purposely stiff or slightly droopy.
 - Symptoms include a wobbly gait, stumbling or a droopy lip.