"grass on sb" in German to grass on sb. jdn. verpfeifen hochgehen lassen Detailed translations for "grass on sb" to grass on sb. to grass on sb.(also: to squeal, to shit on, to fink, to rat on sb.) jdn. verpfeifen to grass on sb.(also: to peach on sb., to grass sb. up) hochgehen lassen{transitive verb}