Sentence:  <WSD>Cockwomble</WSD> An American lad was annoying the tits off me once so I called him the first thing that came to mind, which was <WSD>'cockwomble</WSD>'. The insult was effective because he did stop winding me up but only to ask me what a <WSD>cockwomble</WSD> actually was. I then had to give a detailed explanation about what wombles were and admit that I hadn't really thought that insult through. 
Meaning of the word marked with <WSD> tags:  A foolish or obnoxious person.