billingsgate

Etymology
From the London, England fishmarket : "Billingsgate is the market where the fishwomen assemble to purchase fish; and where, in their dealings and disputes they are somewhat apt to leave decency and good manners a little on the left hand." (Dictionary of the Vulgar Tongue, 1811).

Noun

 * 1) Profane, abusive language; coarse words.
 * You wouldn't have believed the billingsgate which poured forth from that boy's mouth.

Verb

 * 1)  To use abusive language towards.