Contextually it means more "remember who the sociopath really is when their mask slips" essentially. If a man lets it slip that they "want to beat the shit out

Contextually it means more "remember who the sociopath really is when their mask slips" essentially. If a man lets it slip that they "want to beat the shit out of their wife for some peace and quiet" or a desire to commit genocide they aren't joking - they really are an abuser or genocidal monster wearing the mask of a decent person.