#1 soap n. a cleansing agent made from the salts of vegetable or animal fats. wn #2 soap v. [lather] rub soap all over, usually with the purpose of cleaning. wn #3 soap n. money offered as a bribe. wn #4 soap n. [scoop, max, liquid ecstasy, grievous bodily harm, goop, Georgia home boy, easy lay] street names for gamma hydroxybutyrate. wn