WordNet sense 1 (used of skin roughened as a result of cold or exposure):

chapped, roughened

WordNet sense 2 (of paint or varnish; having the appearance of alligator hide):

alligatored

WordNet sense 3 (having or caused by an irregular surface):

rough, unsmooth

WordNet sense 4 (informal or slang terms for mentally irregular):

balmy, batty, bonkers, buggy, crackers, daft, dotty, fruity, haywire, kooky, loco, loony, loopy, nuts, nutty, wacky, barmy, kookie, whacky, around the bend, bats, round the bend

WordNet sense 5 (afflicted with or characteristic of mental derangement):

insane