1) Coated 2) Compacted 3) Congealed 4) Crusted 5) Crusty 6) Encrusted 7) Filled in holes 8) Formed a crust 9) Formed into a hard mass 10) Got crusty 11) Got hard 12) Hardened 13) Like a layer of mud on boots 14) Like dried mud 15) Like dried mud on shoes 16) Like dry mud on cleats 17) Like dry, clumpy mud 1) Covered 2) Dirty 
• (imp. & p. p.) of Cake