Definition of snaffle
noun
(also snaffle bit) (on a bridle) a simple bit, typically a jointed one, used with a single set of reins.
(also snaffle bridle) a bridle with a snaffle bit.
verb
[with object] British informal
take (something) for oneself, typically quickly or without permission:
shall we snaffle some of Bernard’s sherry?
Origin:
mid 16th century (denoting a bridle bit): probably from Low German or Dutch; compare with Middle Low German, Middle Dutch snavel 'beak, mouth'. The verb (mid 19th century) is perhaps a different word