Yiddo UK /ˈjɪd.əʊ/US /ˈjɪd.oʊ/ noun2 •(slang, offensive) A Jew.A group of young Jewish kids are being harangued by a group of young men. They yell: ‘Yiddo, yiddo, yiddo!’ at the kids. — 1987 •(UK, slang) A supporter of Tottenham Hotspur F.C. formsYiddos · yiddos