Top definition
An exceptionally warm vagina.
"Darling, I'm quite cold. May I please stick my frigid penis in your peter heater?"
by Christopher Blake Mitchell January 30, 2007
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Jun 14 Word of the Day
Referring to women who are sexually or romantically attracted to other women. Applies to both lesbians and bisexual women, as it is only the same-sex attraction that matters, not any other attractions the women may have.

Originates from the Greek poet Sappho, a bisexual woman from the Isle of Lesbos, from which we get the term lesbian.
The sapphic women greatly enjoyed each others company.
by whatisdead June 25, 2015
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2
A term used by surfers to describe when they urinate in their wetsuits to relieve themselves and keep warm.
It was getting pretty cold out in the line-up, so i pulled a peter-heater and warmed right up.
by Michael Joshua May 17, 2005
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3
A garment (often knitted) worn over male genitalia to keep it warm. Sometimes used in cold climates, but also sometimes used by male dancers as a costume piece. Also known as a "willy warmer".
Bart was getting a chilly wily, riding his bike in the winter, so he pulled on his peter heater and it was all good.
by Mr. Park-Ranger January 01, 2007
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5
A term used to describe a beautiful woman's mouth, vagina or anus.
She likes to use all her Peter-Heaters.
by ®0B0T January 23, 2019
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