Long and scrawny,resembling an earthworm;vermiform.
(And don't be fooled,this is a real word used by only the most educated people.throw this into a couple of your sentences and people will think you graduated magna cum laude from Yale!;) )
1. While rounding the corner I caught sight of a small,lumbriciform object scuttling into the grass.With a sudden spell of terror I realized it was a rattlesnake.
2.Thought he adored spagetti,little Tommy seemed to have great difficulty maneuvering the lumbriciform noodles into his mouth.
3.The skinny kid had no trouble squeezing his lumbriciform body under the gate.