slippery as an eel
Adjective
Meaning
(simile, colloquial) So slippery that it is almost impossible to hold.
(idiomatic, simile, colloquial) Very crafty or cunning.
Source: en.wiktionary.orgAdjective
(simile, colloquial) So slippery that it is almost impossible to hold.
(idiomatic, simile, colloquial) Very crafty or cunning.
Source: en.wiktionary.org