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