become wide open, spread apart (of the mouth, legs, usually in an exaggerated or unpleasant way); be/become tasteless (of food); become ineffective; diminish.
gaayuuka (-gaayuuse) v.i. be opened, become wide open, spread apart (of the mouth, legs, usually in an exaggerated or unpleasant way); be/become tasteless (of food); become ineffective; diminish.