heckle
To question harshly in an attempt to find or reveal weaknesses.
To insult, tease, make fun of or badger, especially during a comedy performance.
(textiles) To prepare flax for spinning using special combs called hackles.
(tool for separating flax)
The long shining feathers on a cock's neck.
A feather ornament in the full-dress bonnets of Highland regiments.
An rude interruption during a show, especially a comedy performance