Slaps face is an action that denotes physical violence or strong disapproval. Antonyms for this phrase can include gentle, soothing, and calming actions or words. The opposite of slapping someone's face would be to gently pat, caress or stroke their face in a caring manner. Other antonyms for slaps face could be expressions of kindness or gratitude, like hugs, compliments or words of encouragement. While slapping is an action that demonstrates anger or frustration, the antonyms for slaps face, on the other hand, indicate warmth, compassion or forgiveness. Choosing an antonym for slaps face, depends on the situation and the relationship between the people involved.