What does "heckler" mean?

One who heckles; somebody who insults, makes fun of, or teases.

What is a synonym for "heckler"?

Common synonyms include: badgerer, bully, nag, nudzh, pest, sadist.

//ˈhɛklə// name, noun, slang

name, noun, slang ·Moderate ·College level

Noun

1
One who heckles; somebody who insults, makes fun of, or teases.
"The juggler always seemed to have a heckler or two in the crowd on Saturdays."
2
someone who tries to embarrass you with gibes and questions and objections wordnet
3
An aircraft flying attack missions at night. US, slang
"[…] the usual gap between the time the last strike of the day departed and the first night hecklers arrived was closed with "zippers" — night fighters who, using day fighter tactics, proceeded to the target in daylight in time to relieve the last day blanket patrol."
4
Alternative form of hackler (“worker who separates flax”). alt-of, alternative