The definition of sarky is a British term for a sarcastic person.
An example of a sarky person is someone who says they like someone but make unkind comments about the person.
Brit., Informal sarcastic
Origin of sarky; from sarc(astic) + -y
(comparative sarkier, superlative sarkiest)
- (UK, informal) sarcastic
From sarcastic +"Ž -y.