quaggy

adjective2

1. •
   Resembling a quagmire; marshy, miry.

   • English oxen would be much distressed and frightened in such quaggy soil. — 1818
2. •
   Soft or flabby (of a person etc.).

   • Behold her then, spreading the whole troubled bed with her huge quaggy carcase: Her mill-post arms held up; her broad hands clenched with violence […]. — 1748