When a man inserts his penis into the mouth of a large mouth bass then removes it and inserts it into a woman's mouth as a form of punishment. Billy is a reference to the big mouth Billy ornament.
by Big Mouth Billy June 14, 2018

a great punk-alternative sort band from toronto, canada (woo!). unfortuneately, they kind of fall into the mainstream, so mosh pits are populated with whiny girls with trucker hats, wristbands, skate shoes, and "punk" shirts.
by the_bystander@hotmail.com September 17, 2004

God.
Otherwise known as lead singer and guitarist of the punk rock band Green Day.
Definitely NOT spelled B-I-L-L-Y.
Otherwise known as lead singer and guitarist of the punk rock band Green Day.
Definitely NOT spelled B-I-L-L-Y.
by Vaderrr May 30, 2006

dumb bitch: 'oh look its Billie Eyelash eating her third spider this week so edgy I'm s h o o k'
me: 'choke on that spider mUAH'
me: 'choke on that spider mUAH'
by teletubbieslilhoe August 1, 2018

by Havok January 17, 2004

by Unicorn_Billie_Eillish January 30, 2019

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
