To dream about pepper is a warning to cool your temper. Also, click to see other meanings of this dream.Pepper Oppressive temperamentPepper 1. Anger, likely a need to moderate the temper. 2. Excitement, “ﬂavor.” 3. Gossip is afoot (especially if the mouth gets burned by pepper).Pepper A dream denoting truthfulness to the* verge of irritation (Gypsy).