The phrase "give snow job" is slang for tricking, deceiving, or misleading someone. Its antonyms, therefore, would be words that relate to honesty, transparency, and truthfulness. Some of these antonyms might include "be honest," "be forthright," "be candid," "be sincere," "be truthful," "be upfront," "be genuine," "be trustworthy," "tell the truth," or "come clean." Using these words instead of "give snow job" can help promote clear and honest communication, which builds trust and fosters healthier relationships both in personal and business settings. It's always better to be straightforward and honest, rather than trick someone into believing something that isn't true.