noun. Undesired signals or sounds, as of voices, in a telephone or other communications device as a result of coupling between transmission circuits.

noun. Ancillary, incidental conversation.

noun. undesirable signals from a neighbouring transmission circuit; undesired coupling between circuits

noun. conversation that is incidental to the topic under discussion

verb. To hold an incidental conversation

noun. the presence of an unwanted signal via an accidental coupling

"Jiang Kun, a master of the Chinese comic art known as crosstalk, is also off the program this year, with columnists speculating it's because his skit touched on a train crash last year in Wenzhou."

disturbance  interference  noise  

Maroc  Salk  Sauk  balk  calk  

abstruseness  attenuation  bullishness  cross-channel  curve-fitting