Did you maybe mean bullock?
Examples
“Crapper, who was a plumber by trade in the 19th century, is often incorrectly credited for the invention of the flushing toilet, but put his name to a variety of lavatorial inventions, such as the ballcock.”
“It's not like selling an overpriced ballcock assembly to some jack ass who bought the complete Time-Life Home Repair series at a yard sale.”
“War reporting ain't like selling ballcock assemblies”
“And here's a list of 94, with voting on which sounds dirtiest. #1: "ballcock.”
“When you need to lay pipe or find a new ballcock in New Orleans, look for the overalls-wearing ballerina with the wooden pointer, riding an oversized tool.”
“One was a French thing with a gear lever like a cistern's ballcock, the other a Fiat.”
“The last time -- ah, I recklect well, I was called in to see if somethink wasn't wrong with the ballcock in the top cistin.”
“In the toilette spray versus eau de parfume of purchasing duration calls, you'll have to ballcock your best judgment.”
“I've researched this on the internet and the reasons seem to be: bad ballcock valve in one of the toilets bad valve in one of the sinks air in the pipes excessively high water pressure from the street”
“Also, you should previously unusual type of toilet connector back at your visible ballcock or anecdote.”
Lists
These user-created lists contain the word ‘ballcock’.
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Words and Names that Sound Naughty bu...
For whatever reason, speaking some words and names can just make you feel dirty. What words might you feel uncomfortable uttering in front of your 8-year-old child or 80-year-old grandmother?
peter o'toole, cockpit, bangkok, ballcock, titmouse, lipsitz, shih tzu, niggardly, andy dick, sausage roll, humdinger, debugger and 3 more...
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jeffrey.t.whitney's list
sartorial, sabbatarian, sagacious, desiccate, ersatz, insouciant, atavistic, luddite, crwth, obdurate, stentorian, ruminate and 51 more...
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Sounds like a naughty word...
Words that sound like you're saying something bad!!!
usufruct, puissant, afflatus, masticate, niggard, ballcock, flaccid, shittah, hortatory, cockchafer, titular, cunctation and 7 more...
Tweets
Looking for tweets for ballcock.

hernesheir Invented by Thomas Crapper, who did NOT invent the toilet, nor is his name the origin of crap. However, the ballcock is a mechanism for filling water tanks without overflowing them, such as those commonly used in flush toilets. Oct 2, 2009