1st_ Variant of zurrar or zurriar ( "shit", "make a bronco sound" ) . It seems like an onomatopoeic voice, which would explain the following meanings (some very regional). 2nd_ Make noise of the guts, by hunger or gases . 3rd_ Wind hum, blizzard before a storm. 4th_ Murmur, purr, claquette . 5th_ Playing a musical instrument . 6th_ Hit the skins to indobar them . 7th_ Wandering the streets without occupation . See street.