A woman who is very sexually promiscuous. Originates from the idea that said woman's vagina is like a meter for "peters" (penises). Can refer to either the woman or her vagina.
John: So what happened after you left the bar with that chick last night?
Mike: We got it on, but that bitch was such a peter meter she was bonin someone else before I was out the door!
Mike: We got it on, but that bitch was such a peter meter she was bonin someone else before I was out the door!
by John Michael Parmon April 21, 2008
 Get the peter metermug.
Get the peter metermug. A useful instintual tool used by women to determine the size (or lack there of) of nearby man junk.  The cousin to the gay-dar.
by frank the wank April 27, 2008
 Get the peter-metermug.
Get the peter-metermug. A cock that is even smaller than an infamous millimeter peter; therefore, it will never see a pussy in its life.
by Big Daddy Kane June 25, 2004
 Get the Pico-meter Petermug.
Get the Pico-meter Petermug. by Succ for lucc  October 27, 2016
 Get the One meter petermug.
Get the One meter petermug. by 1234373567474 May 21, 2011
 Get the 5 meter petermug.
Get the 5 meter petermug. Ones sense that the person standing in front of you is male even though they're dressed as a female.
I was at a bar and this person walked up to me. My Peter meter immediately went off knowing that she had a dick.
by Dingles01 July 1, 2024
 Get the Peter metermug.
Get the Peter metermug.