ding-a-ling
From Longman Dictionary of Contemporary Englishding-a-lingding-a-ling /ˈdɪŋ ə lɪŋ/ (also dingbat /ˈdɪŋbæt/) noun [countable] American English spoken STUPID/NOT INTELLIGENTa stupid person Some ding-a-ling parked too close to us.Origin ding-a-ling (1900-2000) ding-a-ling “sound of a bell” ((19-21 centuries))