SBD

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

sbd

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

sbd by andrew banker September 21, 2008

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

SBD by fuka March 30, 2003

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!

SBD by SBD March 28, 2005

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.

SBD by Senyor Dippy December 28, 2005

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 by J-Dizzle April 17, 2005

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 !!!!!!

SBD by Mojo Mojowitz December 28, 2005