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A small valve or faucet used to drain or reduce pressure, as from a boiler or radiator.
Before you remove that radiator, open the petcock and let it drain.
by Reaper October 13, 2003
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Jul 31 Word of the Day
(noun) A person who sits on the front porch and intimidates, says negative things, or otherwise makes things unpleasant for those nearby.
The boys walked past the house of old man Thompson, the neighborhood porch dick, who always assumed they were up to no good.
by bigweaseldaddy March 08, 2015
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1. the #1 penis one is currently having sex with- no strings attached

2. the alternative penis one is having sex with while #1 cock is out of town
I need another pet cock until my pet cock comes back Monday.
by Bicycle101 November 05, 2010
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To stroke the cock with a petting motion. This is typically done to make the cock stand alert.
That bitch was trying to get my attention so she pulled the ole petcock and I stood at attention immediately.
by Estes June 24, 2011
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the cock of a pet
but its word is self explanitory
"mannn mai dogs petcock is pimpen all the dogs in the neighborhood"
by teddybangcock laulea May 04, 2006
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The sexual act, where two homosexuals use their pet rooster to pleasure each other.
Hey, have you guys tried the petcock? It's great
by Anal_thruster December 21, 2017
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