The past tense of Scrounge is scrounged.
verb. ['ˈskraʊndʒ'] collect or look around for (food).
1. Verb, base form No need to carry around extra fuel—you just need to scrounge up some sticks and twigs for the fire. 2. Noun, singular or mass After a thorough scratching session, he'll be able to confidently scrounge around for unsuspecting prey.
verb. ['ˈskraʊndʒ'] obtain or seek to obtain by cadging or wheedling.