aslither

adjective2

1. •
   Slithering.

   • One of these big boys came up to me, aslither, on his feet, no skates. — 1982
2. •
   Covered (with or in something slithering or slippery).

   • Under the vaulted architraves [of the fish and poultry market], the white marble slabs all aslither with hunks and fillets remind you why they used to call it ‘wet fish’. — 1976