"heckling" in the noun sense
1. heckling, barracking
shouting to interrupt a speech with which you disagree
"heckling" in the verb sense
1. heckle, hackle, hatchel
comb with a heckle
"heckle hemp or flax"
2. heckle
challenge aggressively
Source: WordNet® (An amazing lexical database of English)
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