galloping russian
подска́кивать
run up, come running, give a jump, jump, come galloping up
прискака́ть
come galloping arrive at a gallop, rush, tear, come tearing along, hop, come hopping
скороте́чный
fleeting / short-lived, transient
galloping / fulminant (disease etc.)
отскака́ть
gallop, cover by galloping