En base a: [Cambridge online dictionary] >mangle verb >/ˈmæŋ.gl ̩/ v >• >[T often passive] to destroy something by twisting it with force or tearing > it into pieces so that its original form is completely changed My sweater > got mangled in the washing machine. >His arm was mangled in the machine. >• >[T] If you mangle a speech or a piece of written work, you make so many > mistakes that you completely spoil it As he read the poem out loud, he > mangled the rhythm so badly that it scarcely made any sense. mangled >adjective >/ˈmæŋ.gl ̩d/ adj >All that remains of yesterday's car crash is a pile of mangled metal.
e o que di Javier, a única metáfora similar que se me ocorre en galego para isto é "esfaragullar, esmigallar": pero non o vexo moi acaido