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 02, 2007
by Jeff The Beast March 23, 2017
by Christopher Blake Mitchell January 30, 2007
A term used by surfers to describe when they urinate in their wetsuits to relieve themselves and keep warm.
by Michael Joshua May 18, 2005
by ®0B0T January 23, 2019