A wrinkled, retracted penis of old dudes in the showers at a swimming pool mens changing room. Mini means small, billy means willy. These are comparable to party weiners at get togethers and other various social events.
by Dr Billy December 14, 2003

by MAXberrie July 3, 2009

by A prody boy May 13, 2021

by Zuovelighning10 May 10, 2021

A Billy Rad is the quintessence of the perfect sandwich. It has henceforth been used to describe foods that are unbelievably delicious and superior to any other variations of the meal.
by LibertineID April 15, 2008

A sexual act in which you have to take a hit from a bong whilst doing doggy-style, and blow the smoke inside the vagina and then proceed to ejaculate inside the vagina.
by Not an Australian April 2, 2021

by DillzGillz June 28, 2014
