would give (someone) the shirt off (one's) back

would give (someone) the shirt off (one's) back

Is very generous and selfless. I'm not surprised that Tammy loaned you money—she would give anyone the shirt off her back.
See also: back, give, off, shirt
Farlex Dictionary of Idioms.
See also:
  • buck off
  • back off
  • back off, to
  • come back and see us
  • back
  • back at (something or some place)
  • be/go back to square one
  • a while back
  • back door
  • back to square one