agent noun from heckle (v.); mid-15c., from late 13c., as a surname (Will. le Hekelere). Modern sense of "one from the audience who taunts a public speaker" is from 1885. Fem. form hekelstere is attested from c. 1500.
实用例句
1. The heckler was ejected from the meeting.
那个专找茬儿的捣蛋分子被逐出会场.
来自《现代汉英综合大词典》
2. As he began his speech, a heckler called out asking for his opinion on gun control.
他刚开始演讲，一名起哄者就大声地质问他对枪械管制的看法。
来自柯林斯例句
3. The heckler was ejected from the auditorium for creating a disturbance.