(n.) The larva of a moth (Heliothis armigera) which devours the bolls or unripe pods of the cotton plant, often doing great damage to the crops.

amble angleworm animal armyworm beast blast blight blighter bollworm bookworm cancer canker claudicate contort corkscrew cotton worm crawl creep crinkle cur dog dogtrot drag drag along drag out dry rot earthworm earworm edge in fireworm fishworm foist fungus go dead slow go on tiptoe go slow grovel gumshoe helminth hobble hound hyena idle inch inch along inchworm infiltrate insect intort jog-trot laze leech limp looper lowlife meander measuring worm mildew mold mongrel mosey moth moth and rust mucker must nematode night crawler nightwalk nightwalker no-good pad pest pig poke poke along polecat prowl pussyfoot reptile rot rust saunter scallop scrabble scramble screw serpent serpentine shuffle along sidle silkworm skunk slink smut snake sneak squiggle squirm stagger along steal steal along stroll swine swirl tapeworm tippytoe tiptoe toddle toddle along totter along traipse turn tussah twine twirl twist twist and turn varmint vermin viper waddle walk webworm whelp whirl whorl wiggle wind wireworm woodworm work in worm along wring writhe