slap on the wrist(a mild reprimand or punishment: And given that property owners can sometimes more than double what they were charging after kicking out a long-term renter, Patterson argued the punishment for abusing the eviction process often amounts to a slap on the wrist. As an advocate, Patterson finds such abuses “infuriating.” (bc.ctvnews.ca)ART Vancouver)
patty-cake punishment(It's a total travesty of justice that most of the morons that trashed the stores and burned cars in the 2011 Stanlеy Cup riot have received patty-cake punishment. – всего лишь шлёпнули по попкеART Vancouver)