Que el chaleco de fuerza
Aun sigue atando mi cordura
Que mis complejos aun no razgan su costura
and that straight jacket
is still tying my sanity
That my complexes have not even ripped their seams
rasgan - they tear (rip or be torn violently)
cordura - sanity
costura - seams
Freud - Sigmund Freud
Sigmund Freud - Wikipedia, the free encyclopedia
psychiatrist best known for his theories of the unconscious mind, especially involving the mechanism of repression; his redefinition of sexual desire as mobile and directed towards a wide variety of objects
IMO
Th song is about his mother - and the unconscious mind comparing every woman to her... and that no woman has been or is good enough to be "like" his mother. And that is really messes with his head.
DEEP song.