2 definitions by plumber rick

Top Definition
part in the toilet that lets in the water. also known as a fill valve.
my toilet keeps running. i need to fix the ballcock.
by plumber rick December 29, 2004
Mug icon
Buy a ballcock mug!
cock is an english name for tap. water faucet. when you have an extra hole in the sink for a faucet. you cover it with a cock hole cover.
what do i do with that extra hole? i'll cover it with a cock hole cover.
by plumber rick December 29, 2004
Mug icon
Buy a cock hole cover mug!