snake oil
A fraudulent, ineffective potion or nostrum; panacea.
ADJ
deadly
A deadly snake slithered across the garden path, and we quickly moved the children inside to safety.
poisonous, venomous | grass, sea, tree, water
SNAKE + VERB
bite sb/sth, strike sth
The cobra struck the mongoose so quickly that no one could follow the movement.
slide, slither, wind (its way)
The python slid silently through the grass toward the pond.
hiss, spit | moult, shed its skin | coil (itself) around, coil up, curl up | uncoil
SNAKE + NOUN
bite (also snakebite) | charmer | venom