SBD

a silent but pungent instance of flatulence (from silent but deadly)

Damn! He just released a SBD.

by The Return of Light Joker March 22, 2009

sbd

some bad dick
some bad dick

A college girl came back from the health unit with gonorrhea. It was determined that her man had "SBD".

by andrew banker September 21, 2008

SBD

silent but deadly
refers to silent emits of gas from the ass hole that tend to smell like shit

holy shit? he let a sob!!

by fuka March 30, 2003

SBD

1.A stoned killer on socom 2.

2.A person who post definitions with many typo's on urbandictionary.com

SBD just wiped out half of thier team with a grenade!

by SBD March 28, 2005

SBD

South Beach Diet

..which can lead to other forms of SBD as well.

Man, the SBD's got me. Not I'm always letting out an SBD.

by Senyor Dippy December 28, 2005

SBD

Thas my gang bitches!! South Bay Drunks!!! for life! SBD MOTHER FUCKERS!!! come down to da south bay and claim that shit! see what happens!!

sbd mother fuckers!!!

by J-Dizzle April 17, 2005

SBD

A pizza afficianado's term, being an acronym for
"Sure Beats DiGiornio" used when Delivery Pizza
beats the in-the-box supermarket variety.

That Delivery Pizza SBD !!!!!!

by Mojo Mojowitz December 28, 2005