A sarcastic dig is a snarky remark intended to mock or ridicule a person, situation, or idea. Synonyms for this phrase include sardonic comment, ironic barb, cutting quip, biting jest, acerbic remark, caustic jibe, and snide retort. Each of these expressions conveys a sense of derision or contempt that can be delivered with varying degrees of subtlety or overt hostility. Some other phrases that serve as synonyms for sarcastic dig include backhanded compliment, left-handed compliment, and double-edged compliment, all of which involve a veiled insult disguised as a compliment. Overall, these synonyms capture the essence of a sarcastic dig and provide a range of options for expressing this type of humor.