feet-first

listen to the pronunciation of feet-first
الإنجليزية - الإنجليزية
Alternative spelling of feet first
With the feet preceding the rest of the body
In the manner of a deceased person (i.e., dead)

They'll probably have to take me out of here feet first, says Ms. Steinem, punctuating the prediction with a growl of laughter (mortality has been in the back of her mind since breast cancer treatment a dozen years ago. . .).

feetfirst
with the feet foremost; "he jumped into the pool feetfirst